Séisme faible mag. 3.4 - 6.3 km au nord-ouest de Fontana, Comté de San Bernardino County, Californie, États-Unis, samedi, 3 juil. 2021 01:22 (GMT -7) -

Séisme faible mag. 3.4 - 6.3 km au nord-ouest de Fontana, Comté de San Bernardino County, Californie, États-Unis, samedi,  3 juil. 2021 01:22 (GMT -7)

Séisme faible magnitude 3.4 at 4 km depth

3 Jul 08:23 UTC: Premier à signaler: VolcanoDiscovery après 1 minute.
3 Jul 08:25: Maintenant en utilisant une nouvelle source de données: EMSC
3 Jul 08:25: Maintenant en utilisant une nouvelle source de données: USGS
3 Jul 18:04: Magnitude recalculée de 3.5 à 3.4.
Update Sat, 3 Jul 2021, 08:30
Magnitude 3.5 earthquake strikes near Fontana, San Bernardino County, California, USA
3.5 quake 3 Jul 1:22 am (GMT -7)
3.5 quake 3 Jul 1:22 am (GMT -7)
Just 8 minutes ago, a 3.5-magnitude earthquake struck near Fontana, San Bernardino County, California, USA. The tremor was recorded early morning on Saturday 3 July 2021 at 1:22 am local time, at a very shallow depth of 2.6 miles below the surface.
The event was filed by the United States Geological Survey, the first seismological agency to report it.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 3.3 earthquake.
Based on the preliminary seismic data, the quake should not have caused any significant damage, but was probably felt by many people as light vibration in the area of the epicenter.
Weak shaking might have been felt in Fontana (pop. 207,500) located 4 miles from the epicenter, Rialto (pop. 103,100) 7 miles away, Rancho Cucamonga (pop. 175,200) 7 miles away, and Upland (pop. 76,400) 10 miles away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Colton (pop. 54,600) located 10 miles from the epicenter, Ontario (pop. 171,200) 11 miles away, San Bernardino (pop. 216,100) 11 miles away, Riverside (pop. 322,400) 13 miles away, and Anaheim (pop. 350,700) 32 miles away.
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Earthquake data

Date & heure: 3 Jul 2021 08:22:25 UTC -
Heure locale à l'épicentre: samedi, 3 juil. 2021 01:22 (GMT -7)
Magnitude: 3.4
Profondeur: 4.2 km
Épicentre latitude / longitude: 34.135°N / 117.48033°W (Comté de San Bernardino, Californie, États-Unis)
Antipode: 34.135°S / 62.52°E
Volcan le plus près: Lavic Lake (104 km / 65 mi)
Villes et villages en proximité:
6 km NO de Fontana (pop: 207,500) --> Voir les séismes à proximité!
11 km ONO de Rialto (pop: 103,100) --> Voir les séismes à proximité!
11 km ENE de Rancho Cucamonga (pop: 175,200) --> Voir les séismes à proximité!
16 km ENE de Upland (pop: 76,400) --> Voir les séismes à proximité!
17 km ONO de Colton (pop: 54,600) --> Voir les séismes à proximité!
18 km ENE de Ontario (pop: 171,200) --> Voir les séismes à proximité!
18 km O de San Bernardino (pop: 216,100) --> Voir les séismes à proximité!
22 km NNO de Riverside (pop: 322,400) --> Voir les séismes à proximité!
71 km E de Los Angeles (pop: 3,971,900) --> Voir les séismes à proximité!
611 km SE de Sacramento (pop: 490,700) --> Voir les séismes à proximité!
Source de données principale: USGS (United States Geological Survey)
Énergie sismique libérée estimée : 7.9 x 109 joules (2.21 MWh, équivalent à 1.9 tonnes de TNT) Plus d'infos
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Si vous n'avez pas ressenti le séisme même si vous étiez dans la zone, signalez-le aussi, s-v-p! Votre contribution est précieuse pour la science des tremblements de terre, l'analyse des risques sismiques et les efforts d'atténuation. Vous pouvez utiliser l'emplacement de votre appareil ou la carte pour indiquer l'endroit où vous étiez pendant le séisme. Merci!

Données pour le même séisme indiquées par différentes agences

Info : Plus les agences signalent le même séisme et publient des données similaires, plus vous pouvez avoir confiance dans les données. Il faut normalement jusqu'à quelques heures pour que les paramètres sismiques soient calculés avec une précision quasi optimale.
Mag.ProfondeurLieuSource
3.44.2 km5km NNW of Fontana, CAUSGS
3.35 km5km NNW of Fontana, CAEMSC

Témoignages pour ce séisme (651)

Les rapports des utilisateurs estiment l'intensité perçue des secousses du sol en fonction de l' Échelle MMI (Modified Mercalli Intensity Scale).
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Fontana, San Bernardino, California (1.1 km S of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : very strong for 3 seconds, quite loud | 5 users found this interesting.  
Fontana / Light shaking (MMI IV) / single vertical bump / 1-2 s : Woke us from sleep. Felt like a jolt going through the house from the west side to the east. | 5 users found this interesting.  
Victorville, San Bernardino, California (42.7 km NNE of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s : 2 fast hard bumps then about 7 seconds of moderate shaking. Knick knacks fell over. Pictures turned. Windows rattling | 2 users found this interesting. (reported through our app)  
North Fontana, CA / Moderate shaking (MMI V) / single vertical bump / 5-10 s : Loud almost crash sound and single bump like something hit the house | 3 users found this interesting.  
Ontario,ca / Light shaking (MMI IV) / single vertical bump / 2-5 s : A jolt, felt like a hard jump | 3 users found this interesting.  
  • Ontario, CA - 2nd floor of apartment. Loud shaking and cracking sound. Was quick but felt kinda strong. Could feel vibrations from floor and couch.
Norco (23 km SSW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Hit very fast, almost like a ground-impact. Faint shaking afterwards lasted about 5 seconds. | 3 users found this interesting.  
Fontana, San Bernardino, California (4.9 km SE of epicenter) [Map] / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s : Quite a hard bump and loud thump proceeded by a brief roaring sound. It felt like something very hit the building (apartment and townhouse complex) it felt like the building was briefly displaced  
Mar Vista, CA (88.5 km W of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : I thought I was imagining things. I told my husband I think I just felt an earthquake as I was in bed reading and almost a sleep. He wouldn’t feel it with how knocked out he was.  
near Holtville, Imperial, California (254.1 km SE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging : I just woke up. And my mobile home shook reql hard. You could tell it was earthquake. But no after shooks.  
Rancho Cucamonga sleeping (9.7 km W of epicenter) [Map] / Weak shaking (MMI III) / complex motion difficult to describe / 2-5 s : Woke me up more like a rumble . Rancho Cucamonga | 2 users found this interesting.  
Norco / Weak shaking (MMI III) / both vertical and horizontal swinging / 1-2 s : Quick jolt, walls and windows shook for about 1 second. | 2 users found this interesting.  
Rancho Cucamonga / Weak shaking (MMI III) / single vertical bump / very short : it was strong and it made me wake up | 2 users found this interesting.  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / very short : I was woke up out of a deep sleep. It was a heavy jolt, was hard to go back to sleep because I was waiting it to happen again. Something hard to describe and vey unexpected.  
Fontana CA / Light shaking (MMI IV) / 1-2 s : Windows rattled and walls shook. Woke everyone in my house up and even the dog. Lasted about 3 seconds  
92336 (1.7 km SE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : Quick 30 second shake of the whole house | One user found this interesting.  
Rancho Cucamonga, CA / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : This earthquake felt like a 5 magnitude,maybe because the fault line was so close to my place. | One user found this interesting.  
  • I agree a definite 5.
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : It came rolling, then sharp hit, it continued with rolling shaking. It did cause me to start finding a place to take shelter. | One user found this interesting.  
91739 / Light shaking (MMI IV) / single vertical bump / 2-5 s : it was more like to large bangs with a jolt. It was very loud, almost like an explosion. | One user found this interesting.  
Riverside / Light shaking (MMI IV) / complex motion difficult to describe / 15-20 s : Laying in bed, awake, and then I felt what was like a kick on my bed frame (like someone trying to wake me). I heard a sound too.. | One user found this interesting.  
Rancho Cucamonga / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Sucks Felling | One user found this interesting.  
Rancho Cucamonga, San Bernardino, California (10.5 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Fontana, San Bernardino, California (8.1 km SE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s : Na  
Fontana, San Bernardino, California (8.1 km SE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s : Na  
near San Clemente, Orange, California (76 km S of epicenter) [Map] / not felt
Eastvale, Riverside, California (19.4 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Redlands, San Bernardino, California (30.3 km ESE of epicenter) [Map] / not felt : Located in 92374  
Rancho Cucamonga, San Bernardino, California (10.5 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Highgrove, Riverside, California (19.2 km SE of epicenter) [Map] / not felt
Glen Avon, Riverside, California (7.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Rancho Cucamonga, San Bernardino, California (7.5 km WSW of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s
Fontana, San Bernardino, California (2 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rancho Cucamonga, San Bernardino, California (9.3 km W of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / very short : felt like someone shook or hit the house somewhat lightly  
Eastvale, Riverside, California (19.4 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Rancho Cucamonga, San Bernardino, California (9.3 km W of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / very short : felt like someone shook or hit the house somewhat lightly  
Redlands, San Bernardino, California (30.3 km ESE of epicenter) [Map] / not felt : Located in 92374  
Rancho Cucamonga, San Bernardino, California (10.4 km W of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 1-2 s : One strong jolt!!  
Fontana, San Bernardino, California (1.6 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s
Pedley, Riverside, California (17.5 km S of epicenter) [Map] / Weak shaking (MMI III)
San Antonio Heights, San Bernardino, California (17.8 km W of epicenter) [Map] / not felt : 10 miles away. Was not felt  
Eastvale, Riverside, California (19.4 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Diamond Bar, Los Angeles, California (34.9 km WSW of epicenter) [Map] / not felt
Eastvale, Riverside, California (19.9 km SSW of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / very short
Rancho Cucamonga, San Bernardino, California (7.1 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Jolted us awake from sleep!  
Rancho Cucamonga, San Bernardino, California (6.3 km W of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : Strong jolt.  
Fontana, San Bernardino, California (1.7 km SE of epicenter) [Map] / Moderate shaking (MMI V) / single vertical bump / 1-2 s : Like a car hit the house.  
Rancho Cucamonga, San Bernardino, California (6.6 km WSW of epicenter) [Map] / Light shaking (MMI IV)
Rancho Cucamonga, San Bernardino, California (5.4 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short
Fontana, San Bernardino, California (1.7 km SE of epicenter) [Map] / Moderate shaking (MMI V) / 2-5 s
Fontana, San Bernardino, California (2.8 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Rancho Cucamonga, San Bernardino, California (8.1 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : The whole house shook for few seconds  
Rancho Cucamonga, San Bernardino, California (4.5 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Fontana (6.7 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rancho Cucamonga, San Bernardino, California (10.4 km W of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 1-2 s : One strong jolt!!  
Fontana, San Bernardino, California (8.1 km SE of epicenter) [Map] / Moderate shaking (MMI V) : The whole house was shaking and making noises  
Signal Hill, Los Angeles, California (77.4 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s (reported through our app)
Riverside, California (22.6 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Fontana, San Bernardino, California (7.5 km SE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : I live in Cucamonga, and I felt the quake rock my house for a brief second. It was scary.  
Muscoy, San Bernardino, California (7.8 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Highgrove, Riverside, California (24 km SE of epicenter) [Map] / Weak shaking (MMI III) / complex motion difficult to describe / 1-2 s : Felt like my front door was slammed and shook the home  
Fontana, San Bernardino, California (2.8 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Ontario California (17.9 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating
Victorville, San Bernardino, California (42.7 km NNE of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s (reported through our app)
Fontana, San Bernardino, California (7 km S of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s
Mira Loma, Riverside, California (18.2 km SSW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Fontana / Moderate shaking (MMI V) / single lateral shake / 2-5 s : It's between both Light and Moderate. I was inside my own home and I saw my bathroom mirror shake and sliding shower doors. Two of my 4 dogs barked before and after the event. I am approximately less than 2 miles away from my Aunts house in Fontana; and s  
Rancho Cucamonga (9.5 km SW of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : Strong!  
Rancho Cucamonga, San Bernardino, California (7.5 km WSW of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s
Fontana (1.2 km SSE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s (reported through our app)
Rancho Cucamonga (1.6 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rancho Cucamonga, San Bernardino, California (10.2 km W of epicenter) [Map] / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 2-5 s : Woke me  
Fontana, San Bernardino, California (2 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rancho Cucamonga, San Bernardino, California (9.3 km SW of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / 2-5 s : It was a strong jolt & shaking twice, seconds apart.  
Fontana, San Bernardino, California (1.7 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Fontana, San Bernardino, California (6.3 km SE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s
Rancho Cucamonga, San Bernardino, California (10.2 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
San Bernardino (15.6 km E of epicenter) [Map] / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s : I felt my bed shake like as if someone was trying to shake one leg of it as if to move the bed  
Fontana, San Bernardino, California (1.9 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Small shaking followed by a slightly stronger shake  
Fontana, San Bernardino, California (8.6 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short
Rancho Cucamonga, San Bernardino, California (10.5 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Crucero, San Bernardino County, California (153.8 km NE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Scary  
San Bernardino, California (17.2 km E of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / 5-10 s : Haven’t felt a Earthquake in a minute  
Fontana, San Bernardino, California (8.1 km SE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s : Na  
Rancho Cucamonga, San Bernardino, California (11 km SW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Fontana, San Bernardino, California (2.9 km SE of epicenter) [Map] / Strong shaking (MMI VI) : Big shake 30-45 second  
Laguna Niguel, Orange, California (73.5 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Rancho Cucamonga, San Bernardino, California (3.7 km W of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : Woke up and was aware of shaking for at least three seconds.  
Fontana, San Bernardino, California (3.8 km SSW of epicenter) [Map] / Light shaking (MMI IV) : Woke me from my sleep.  
fontana (99.1 km NW of epicenter) [Map] / Moderate shaking (MMI V) / 2-5 s
Eastvale, Riverside, California (22.1 km SSW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s
Fontana, San Bernardino, California (1.4 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s
Chino Hills, San Bernardino, California (29.9 km SW of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : I shake and it was over  
Rialto, San Bernardino, California (9.9 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rubidoux, Riverside, California (15.7 km SSE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s
Ontario, San Bernardino, California (16.4 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short : My house shook and shook my bed  
Highgrove, Riverside, California (22.1 km SE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s
Fontana, San Bernardino, California (3.8 km ENE of epicenter) [Map] / Light shaking (MMI IV) : Jolt like. Very quick and loud. Woke me up from sleep.  
Fontana (4.8 km SSE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : It was strong shaking  
Rancho Cucamonga, San Bernardino, California (10 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 10-15 s
Ontario, San Bernardino, California (14.4 km WSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s (reported through our app)
Rialto, San Bernardino, California (10.6 km E of epicenter) [Map] / Light shaking (MMI IV)
San Bernardino / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Very quick, short lived vibration and rattling, loud though, as if a diesel were driving by.  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : A couple of jolts and shaking  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : It came rolling, then sharp hit, it continued with rolling shaking. It did cause me to start finding a place to take shelter.  
92336 (1.7 km SE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : Quick 30 second shake of the whole house  
Eastvale / Weak shaking (MMI III) / both vertical and horizontal swinging / 10-15 s
92336 (1.7 km SE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : Quick 30 second shake of the whole house  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Fontana / Light shaking (MMI IV) / single lateral shake
Rancho Cucamonga / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
91730 / Weak shaking (MMI III) / single lateral shake / 2-5 s
Jurupa Valley, CA (13.4 km SSE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 10-15 s : Was big enough to hear and feel but not strong enough to knock or break anything  
Double Tree hotel Ontario ca / Light shaking (MMI IV) / vibration and rolling / 2-5 s : A slight roll, than a hard jolt followed by rough shaking. We were on 3rd floor of hotel.  
San Bernardino / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Very quick, short lived vibration and rattling, loud though, as if a diesel were driving by.  
Alta Loma, CA (12.2 km W of epicenter) [Map] / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s : Woke up my husband and myself out of our sleep. Felt up and down movement and we knew it was an earthquake. Also, windows were rattling as if a train was passing by our bedroom, but there are no train tracks near by. We live just above the 210 freeway nea  
Moreno Valley / not felt : Felt nothing.  
North Fontana / Light shaking (MMI IV) / 5-10 s
92509 / Light shaking (MMI IV)
Rancho Cucamonga / Light shaking (MMI IV) / single lateral shake / very short : Woke up out of a sound sleep.  
Fontana / Weak shaking (MMI III)
Upland / Moderate shaking (MMI V) : Upland benson ave and the 10 fwy  
Ontario / not felt : Heard about it after  
Claremont / not felt : Didn't feel anything  
San Bernardino, ca / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Rialto / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Strong jolt.  
Sn Bernrdno / not felt : My niecw was awake and she felt it but I did not.  
Fontana, Ca / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Cliff I'm from Fontana California. I was asleep an / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : I was sound asleep. Normally I sleep right through light quakes. This woke me up to a loud rumbling sound. Then everything shock real fast for about 3-4 seconds. Enough time to hear it,and feel it. Your thinking ok it's an earthquake what should I do. The  
91730 / Light shaking (MMI IV)
Hemet / not felt
Seal Beach / Very weak shaking (MMI II) / 2-5 s : Na  
Jurupa Valley / Weak shaking (MMI III) / 2-5 s : Herd rattling of the windows, then a mild shaking.  
Colton / Light shaking (MMI IV) : earthquake!  
Rancho Cucamonga / Weak shaking (MMI III) / single vertical bump / 1-2 s : Loud noise and a strong jolt that woke me up from my sleep  
Fontana (3.5 km NE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Rialto, CA / Weak shaking (MMI III) / single lateral shake / 1-2 s
11463 LEATHERLEAF rd Fontana (10.2 km S of epicenter) [Map] / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s : First I thought maybe was or truck passing  
Eastvale, Ca / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
91730 / Weak shaking (MMI III)
Upland / not felt
Rancho Cucamonga / Light shaking (MMI IV) / single vertical bump / 1-2 s : Felt a solid jolt followed by 3-4 pop sounds  
Watching tv / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Fontana California / not felt
Rialto / not felt : I usually get up at 1a.m go to work and I did not feel anything I live in Rialto.  
Fontana (3.4 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : Yes my cats & I sat up and I thought I felt like a solid thump it did not shake it was like a thump  
Rialto / Light shaking (MMI IV) / 1-2 s
Rialto / not felt : I usually get up at 1a.mj go to work and I did not feel anything I live in Rialto.  
Seal Beach / Very weak shaking (MMI II) / 2-5 s : Na  
Rancho Cucamona / Light shaking (MMI IV) / single lateral shake / 2-5 s
11210 4th street Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating : Na  
Asleep in bed / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : Windows shaking, thought they would break. Dogs jumped up scared. Felt jolting for 3 to 5 seconds. Thought it would be magnitude 4..i've been around earthquakes.  
Riverside CA / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Woke me up from sleep  
Ontario / Light shaking (MMI IV) / single vertical bump / 15-20 s : Jolt then rolling  
Rancho Cucamonga / Moderate shaking (MMI V) / horizontal (sideways) swinging / 1-2 s : Sitting down at computer and whole room shook and it was loud. Many objects fell in house  
Chino / Light shaking (MMI IV) / single lateral shake / 2-5 s
Riverside / not felt : I was up at that time, did not feel it.  
In bed at home (6.3 km W of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Devore / Light shaking (MMI IV)
Pomona / Very weak shaking (MMI II) / single vertical bump / 2-5 s : Sounded like a thump  
Fontana ca / Light shaking (MMI IV) / rattling, vibrating / very short
Fontana, CA / Light shaking (MMI IV)
Eastvale / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Fontana / Light shaking (MMI IV) / single lateral shake / 1-2 s
N Fontana / Light shaking (MMI IV) / single lateral shake / very short : It was a nice jolt. Very gross feeling and hearing the plates moves but only for about 3 seconds...  
RIALTO / not felt
Fontana / Light shaking (MMI IV) / 2-5 s
San Bernardino / not felt
Rialto California / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s : My husband and I both described it as something small explosion underground.  
Fontana, CA : I felt the quake, as a very strong jolting and rolling sensation, while on my feet at home standing in the kitchen which is located in the city of Fontana closet major cross streets being Citrus Ave. and Foothill Blvd. It literally was strong enough that   
Ontario (13.9 km WSW of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 2-5 s : Shaking occurred for a few seconds. Eerily quiet in the neighborhood, no dogs barked before or after the quake.  
Fontana / Light shaking (MMI IV) / single vertical bump / 1-2 s : A very brief rumbling then a big BOOM! Woke me up, but I just went back to sleep. Not too alarming.  
Rancho cucamonga ca / Moderate shaking (MMI V) / single vertical bump / 2-5 s
Fontana / Light shaking (MMI IV) / single lateral shake / 2-5 s : Light shake then a hard jolt , felt stronger then any shake felt before even tho they were bigger quakes , but I’m assuming since I was so close too it , it get very strong  
Ted Jimenez Fontana Home (2.8 km SE of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / very short : Quick shake, pounding woke me up.  
San bernardino / Very weak shaking (MMI II) / very short : Quick jolt  
Fontana, CA
Rancho Cucamonga / Weak shaking (MMI III) / both vertical and horizontal swinging / very short
Fontana ca / Light shaking (MMI IV) / rattling, vibrating / very short
Colton / Weak shaking (MMI III) / single vertical bump / very short
Ontario / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Eastvale, Ca / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
upland, ca (18.3 km W of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s (reported through our app)
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Slight horizontal sway and jolt, and several seconds of rattling and vibrations. Woke a few people on the house.  
Rancho Cucamonga / Moderate shaking (MMI V) / horizontal (sideways) swinging / 1-2 s : Sitting down at computer and whole room shook and it was loud. Many objects fell in house  
Rialto / not felt
Ontario,ca / Moderate shaking (MMI V) / 20-30 s
Alta Loma / Very weak shaking (MMI II) / single vertical bump / 2-5 s : Awakened by a heavy jolt-thought it was a truck/vehicle hitting a bump, etc.  
North Fontana / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Felt more like a few good jolts — and felt bigger than a 3.5 mag. I was upstairs laying down. My son was upstairs as well & felt it pretty good.  
Fontana, 16868 arrow. (5.6 km SE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : Heard a snap shuttering with a very quick jolt no shaking.  
Fontana / Light shaking (MMI IV) / single lateral shake / 1-2 s
Fontana ca / Light shaking (MMI IV) / single vertical bump
Mar Vista, CA (88.5 km W of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : I thought I was imagining things. I told my husband I think I just felt an earthquake as I was in bed reading and almost a sleep. He wouldn’t feel it with how knocked out he was.  
Fontana / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Fontana (3.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s
Rancho Cucamonga / Light shaking (MMI IV) / single vertical bump / 5-10 s : One sharp hard jolt  
Pomona / not felt
Rialto / Light shaking (MMI IV) / 1-2 s
San Bernardino / Very weak shaking (MMI II) / complex motion difficult to describe / 10-15 s
Rialto (9.5 km E of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Rancho Cucamonga / Light shaking (MMI IV) / single lateral shake / very short : Woke up out of a sound sleep.  
Rancho Cucamonga (87 km ESE of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s
Ontario / Weak shaking (MMI III)
Fontana / Light shaking (MMI IV) / single lateral shake / very short
Rancho Cucamonga, CA / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Almost felt like an explosion was near…loud bang and some jolted shaking  
Montclair Ca. / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : I felt my house swaying back and forth. My windows rattled as well.  
Fontana / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s
Eastvale / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : Light shaking then a jolt and more light shaking  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Rialto california (9.2 km E of epicenter) [Map] / not felt : Nothing  
Fontana / Light shaking (MMI IV) / single lateral shake / very short
Bloomington / Weak shaking (MMI III)
Lake Elsinore / not felt : Nothing  
FONTANA / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Just one hard fast shake more like a boom  
Fontana / Light shaking (MMI IV) / single lateral shake / 2-5 s : Light shake then a hard jolt , felt stronger then any shake felt before even tho they were bigger quakes , but I’m assuming since I was so close too it , it get very strong  
Diamond Bar / Very weak shaking (MMI II) / very short : I had headphones on but heard the window rattle as if something bounced off of it, and felt my computer chair move on its own slightly  
Bloomington, CA. 92316 / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
In bed at home (6.3 km W of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Ontario (15.2 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 5-10 s (reported through our app)
Fontana, CA (6.2 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Felt like a nasty banging.  
Riverside / not felt : What quake  
Rancho Cucamonga / Light shaking (MMI IV) / both vertical and horizontal swinging / 5-10 s : Extreme shaking sideways and vertically. Can hear sounds of movement.  
Rancho Cucamonga Ca. (6.4 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I woke from a sound sleep, my bedroom is on the second story so maybe I felt it more than someone on a ground floor.  
FONTANA (4.4 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / vibration and rolling / 5-10 s : It felt like my whole house was hit by something big, it was so loud  
Fontana, Ca / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
I was about to go to sleep (6.6 km SSE of epicenter) [Map] / Light shaking (MMI IV) / very short
Pomona / not felt
Etiwanda / Light shaking (MMI IV) / rattling, vibrating / 15-20 s : More like a rolling jolt  
Home in Rancho Cucamonga (10.3 km SW of epicenter) [Map] / Very weak shaking (MMI II) / 2-5 s : Living in apartments, 2nd floor, I was awaken by it. It was quick but felt the floor move and windows shake a little.  
Rialto / Very weak shaking (MMI II) / 2-5 s
Rancho Cucamonga (6 km WSW of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s : I was awoken by the shaking! Strongest one I’ve felt in a while.  
Ontario (11.3 km SW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Fontana / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Sleeping / Light shaking (MMI IV) / single vertical bump / very short : Sharp jolt  
Rancho Cucamonga (5.8 km WSW of epicenter) [Map] / Light shaking (MMI IV) / very short : It was right under my bed  
Rancho Cucamonga / Light shaking (MMI IV) / single lateral shake / very short
Redlands, ca / not felt : Did not feel  
Fontana / Light shaking (MMI IV) / single lateral shake
Wrightwood / Very weak shaking (MMI II) : Thought it was the cat in the bed. Turned around and he wasn't there! It was the quake  
Montclair, ca / Moderate shaking (MMI V) / single lateral shake / very short : Felt like a quick jolt.  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Ontario, calif / Moderate shaking (MMI V) / complex motion difficult to describe / 2-5 s : Woke me up, dogs barking strong jolt..  
Rancho Cucamonga / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : Sucks Felling  
San Bernardino / not felt
Fontana (5.3 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s
Rancho Cucamonga / Weak shaking (MMI III) / single lateral shake / 1-2 s : It was a sudden hit, like something hit our building really hard ,no shaking  
Fontana / Weak shaking (MMI III) : Floor rumble under my bed 1 second  
Pomona / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Riverside / Very weak shaking (MMI II) / horizontal (sideways) swinging / 2-5 s
Fontana CA / Light shaking (MMI IV) / single lateral shake : I was sleeping and I felt a slam which shook the house and stopped quickly. No rolling motion at all. Just a slam type of jolt.  
MORENO VALLEY / not felt : Unaware until now  
N. Fontana (210/15) / Light shaking (MMI IV) / single vertical bump / 2-5 s : Actually heard huge bang sound, which startled me. It was if a giant hammer had slammed down just north of us, causing a huge blasting sound, followed by tight vibrations. The noise was more startling than the shaking  
North Fontana / Light shaking (MMI IV) / horizontal (sideways) swinging / 15-20 s
Alta Loma ca / Light shaking (MMI IV) / single vertical bump / 1-2 s
Fontana, CA / Very weak shaking (MMI II) / single lateral shake / very short : It was a quick jolt that woke us all up.  
Eastvale (21.9 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Fontana ca (5.8 km SSE of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s
Fontana / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s : Loud noise with more than moderate shaking. Knocked down a few things from my dresser, as well as TV is crooked, computer screen and pictures on wall  
Crestline / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s : Jolt followed be light rattling for about 2-5 seconds. Woke up me, husband and one of our two dogs. We were in loft bedroom of cabin in Crestline.  
Etiwanda / Light shaking (MMI IV) / rattling, vibrating / 15-20 s : More like a rolling jolt  
Chino, ca / Weak shaking (MMI III) / 5-10 s
Eastvale ca I felt it / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Just a shot shake.  
Fontana / not felt : Heard a boom and a 2 seconds shake.  
Fontana (5.7 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s : Strong jolt for 2-3 seconds  
Rancho Cucamonga / Light shaking (MMI IV) / very short
Rancho cucamong / Light shaking (MMI IV) / rattling, vibrating / very short
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
Rancho Cucamonga / Light shaking (MMI IV) / single lateral shake / 1-2 s
Ontario / Very weak shaking (MMI II) / rattling, vibrating / 20-30 s
Sleeping / Light shaking (MMI IV) / single vertical bump / very short : Sharp jolt  
Rancho Cucamonga / Light shaking (MMI IV) / single vertical bump / very short
Fontana / Very weak shaking (MMI II) / rattling, vibrating / very short : Na  
Alta Loma / Weak shaking (MMI III) / single lateral shake / very short : Quick  
Fontana / Moderate shaking (MMI V) / complex motion difficult to describe / 2-5 s : Loud, strong hit. Dog immediately aggressively barking.  
Fontana, CA (0.9 km NNE of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / very short : It felt like a car crashed into the post of our house... 1 big, short "thud!". Or like a very big explosive detonated beside our house. I felt no shaking or swaying... just 1 big thud! I'm at the ground floor of a 2 story house.  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : A couple of jolts and shaking  
Rialto / Light shaking (MMI IV) / single lateral shake / very short : While laying in bed, felt a jolt.  
Ted Jimenez Fontana Home (2.8 km SE of epicenter) [Map] / Moderate shaking (MMI V) / single lateral shake / very short : Quick shake, pounding woke me up.  
jurupa valley, ca / Light shaking (MMI IV) / rattling, vibrating / 15-20 s
Jurupa valley / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Fontana / Very weak shaking (MMI II) / 1-2 s
San Bernardino (1.7 km SE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s : Rumble  
Fontana / Weak shaking (MMI III) / vibration and rolling / 1-2 s : I heard the shaking and felt the rolling  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Woke me up.  
91730 / Weak shaking (MMI III)
Ontario / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s : I felt shaking side to side. Enough to wake me up in the middle of the night.  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
16136 meadowmeer ln fontana ca / Light shaking (MMI IV) / vertical swinging (up and down) / very short : It felt like someone had hit the roof strongly. My husband, myself and my 15 year old awoken  
Fontana (9.8 km S of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s
Rancho Cucamonga, home (10.9 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / both vertical and horizontal swinging / 5-10 s : Woke me up, Shaking, shelves, objects moved, felt about 8-10 seconds long. No aftershock felt.  
Fontana / Light shaking (MMI IV) : Wake up from sleep  
Southwest Rancho Cucamonga (5.1 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / very short : Myreading lamp fell off headboard on me during earthquake  
Rialto / not felt : Sleeping did not wake me up .felt nothing  
Rancho Cucamonga / Very weak shaking (MMI II) / single lateral shake / 2-5 s : Light shaking very short duration  
Rancho Cucamonga, CA / Light shaking (MMI IV) / 2-5 s
Rancho Cucamonga / Moderate shaking (MMI V) / single vertical bump / 2-5 s : It was like one big shake as if a Mack Truck crashed into our home. There was a startling noise with it.  
Fontana / Light shaking (MMI IV) / single lateral shake / very short
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Strong jolt... but short duration... woke up kidy  
Fontana / Light shaking (MMI IV) / single vertical bump / 5-10 s : Heard a rumble then felt a quick jolt  
Fontana ca, at home in my living room I felt the j (5.2 km ESE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Watching tv and heard the horrible coming of an earthquake then felt and heard my house jolt and shake, went to my check on my daughter and then it stopped.  
Rancho / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Fontana / not felt / rattling, vibrating / 2-5 s : I felt scared, I was still awake watching   
Azusa / Very weak shaking (MMI II) / rattling, vibrating / very short
Rancho Cucamonga ca / Weak shaking (MMI III) / horizontal (sideways) swinging : It was 1:23am  
Fontana / Moderate shaking (MMI V) / horizontal (sideways) swinging / 1-2 s
Chino (25.5 km SW of epicenter) [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s : A jolt then one swing Felt on second floor  
Riverside ca / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Fontana / Light shaking (MMI IV) / single lateral shake / 1-2 s : Quick jolt  
Ontario, west haven / Light shaking (MMI IV) / single lateral shake / 1-2 s : Whole house shook  
Fontana / Light shaking (MMI IV) / single lateral shake / 2-5 s : Short sudden shake Mild shake for approximately 2-3 seconds  
Fontana / Light shaking (MMI IV) / single vertical bump / 1-2 s : Short strong jolt, not shaking  
8973 summerwood way fontana 92335 / Moderate shaking (MMI V) / single lateral shake / 2-5 s
San Bernardo ca / Very weak shaking (MMI II) / 20-30 s
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Fontana,c (2.2 km N of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s : Hard jolt where an item fell followed by a Loud boom  
RNcho Cucamonga / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : Omg I was sleep and I felt a very hard shaking  
Rancho Cucamonga / Moderate shaking (MMI V) / 2-5 s : Loud sound woke me up and I felt tha house shaking and heard objects falling  
Rancho Cucamonga / Moderate shaking (MMI V) / single lateral shake / 5-10 s : Woken up from a deep sleep  
Eastvale, Ca / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Rancho cucamonga / Very weak shaking (MMI II) / single lateral shake / 1-2 s
Rancho Cucamonga / Very weak shaking (MMI II) / single vertical bump / very short
Chino / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Fontana / Light shaking (MMI IV) / very short : It's sounded like a bang and me and husband woke up startled. Had a small sign on dresser fall down.  
Jurupa valley ca. (14.3 km SSE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s : A strong,quick, loud tug.  
Rancho Cucamonga / Light shaking (MMI IV) / vertical swinging (up and down) / 2-5 s : An intense rolling jolt that I grabbed the sides of my bed. That was NOT a 3.5 more like a 5 and I've been awake for all types of magnitudes.  
Rancho Cucamonga / Light shaking (MMI IV) / single lateral shake / 5-10 s
Ontario (12.7 km SW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Fontana / Weak shaking (MMI III) / single vertical bump / 2-5 s
Fontana / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Overall not too bad. Still felt it tho.  
Rancho Cucamonga Ca. (6.4 km WSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I woke from a sound sleep, my bedroom is on the second story so maybe I felt it more than someone on a ground floor.  
Fontana / Light shaking (MMI IV) / single lateral shake / 1-2 s : Hard jolt, loud jolting sound  
Fontana CA / Moderate shaking (MMI V) / complex motion difficult to describe / 1-2 s : I felt like if a some one dropped a large rock. It didn't feel like a Earthquake. More like a explosion underground aftershock. I thought aliens had just landed or the train derailed  
Home / Light shaking (MMI IV) / vertical swinging (up and down) / 1-2 s
Upland, ca / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / very short : Although weak, I was wakened by it.  
Rancho Cucamonga, CA / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Shaking was enough to wake me from sleep.  
FONTANA, CA / Light shaking (MMI IV) / very short
Jurupa Valley / Weak shaking (MMI III) : Upstairs bed was shaking  
Rancho Cucamonga, CA / Light shaking (MMI IV) / single lateral shake / very short : Sharp jolt. Woke me up.  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Fontana / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Eastvale, CA / Light shaking (MMI IV) / 2-5 s
Rancho Cucamonga / not felt
Rancho Cucamonga / Light shaking (MMI IV) / 2-5 s : Light shaking,scary enough it woke me out my sleep!  
Fontana (7.5 km SSE of epicenter) [Map] / Very weak shaking (MMI II) / vibration and rolling / 5-10 s : I felt scared and it only was like 6 seconds I was running out side everything was moving I thought It was gonna last longer  
Rialto, CA / Light shaking (MMI IV) / 1-2 s : a horizontal jolt, followed by shaking/vibrating I was woken from sleep, and it felt like it was right under my bedroom.  
Moreno Valley (35.9 km SE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / 1-2 s
Rancho Cucamonga / Light shaking (MMI IV) / vertical swinging (up and down) / 1-2 s : An up and down "drop" that lasted maybe 3-4 seconds. No rolling motion, which told me that the epicenter was very near me. Also I guessed it was a relatively light quake,the drop was not that severe, but definitely you felt it.  
RIALTO / Very weak shaking (MMI II) / single lateral shake / very short
Chino / Very weak shaking (MMI II) / very short
Rialto, CA (9.8 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / very short : Like something landed on the garage roof  
RIALTO / Light shaking (MMI IV) / single vertical bump / 1-2 s
Riverside / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Rancho Cucamonga (9.2 km W of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / 10-15 s : It woke everyone in the house even the little kids , very scary , the house was shaking badly like up and down , first time I felt something inside my head was shaking for few seconds .  
Fontana / Very weak shaking (MMI II)
Fontana / Weak shaking (MMI III) / rattling, vibrating / 1-2 s : I was sleeping felt like somebody ran into my garage what a truck  
Fontana / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : I felt the floor shake from side to side  
Ontario California / Weak shaking (MMI III) / single lateral shake / very short
92335 / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Fontana, CA (2.6 km ENE of epicenter) [Map] / Moderate shaking (MMI V) / complex motion difficult to describe / 20-30 s : Several strong sharp jolts. Noisy roaring. Several people in neighborhood felt same, posted on Nextdoor. I am about 2 miles from epicenter.  
Lake Arrowhead / Weak shaking (MMI III) / single lateral shake / very short
San Bernardino / not felt
Rancho Cucamonga / Light shaking (MMI IV) / single vertical bump / 1-2 s
Rancho Cucamonga / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s : One large thump followed by a jolt and little movement  
Riverside, ca (22.1 km S of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 5-10 s : Sounded like a big truck hit my house and kept rolling  
Fontana / Light shaking (MMI IV) / rattling, vibrating
Rialto / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
RANCHO CUCAMONGA / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s
Fontana / Light shaking (MMI IV) / rattling, vibrating
Fontana / Light shaking (MMI IV) / rattling, vibrating / very short : Shaking  
Alta loma Ca / Light shaking (MMI IV) / both vertical and horizontal swinging / 5-10 s : Felt quake as a hard fast up and down jolt. Then there was a pause tand a hard sideways jolt hit  
Chino / Weak shaking (MMI III) / 1-2 s
Fontana / Light shaking (MMI IV) / 5-10 s
Chino (23.3 km SSW of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s
Rialto California / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s
92504 / Light shaking (MMI IV) / 15-20 s
Rancho Cucamonga (5.8 km WSW of epicenter) [Map] / Light shaking (MMI IV) / complex motion difficult to describe : Live in a three story complex and the building shook so I feel to the ground. Threw my dog off the bed. Heart racing  
rancho cucamonga, 91739 / Moderate shaking (MMI V) / complex motion difficult to describe / 2-5 s : omg very loud crashing noise.. followed by 2 or 3 more jolts. Loud foundational creaking and grinding noises. thought a drunk truck driver drove into the apartment below us and our balcony was falling apart! woke boyfriend from deep sleep. lol  
92336 / Moderate shaking (MMI V) / single lateral shake / very short : Big Jolt  
Fontana, ca / Light shaking (MMI IV) / single vertical bump / 1-2 s : Vertical jolt  
Cathedral City / not felt
Fontana, Ca / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Fontana / Light shaking (MMI IV) / single vertical bump / very short : It was sudden my bed shifted  
Fontana / Moderate shaking (MMI V) / 2-5 s : I live in Fontana and the earthquake woke everyone in the house including some deep sleepers. We heard the houses and walls and floors creak  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : So scary   
Fontana / Light shaking (MMI IV) / single vertical bump / 1-2 s : Woke me up, visiting from Arizona at my sisters. Sounded rolling with a Big Bang, like a Semi truck hit the house. And I’m in Fontana  
Fontana / Weak shaking (MMI III) / vibration and rolling / 2-5 s
91739 / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
UPLAND / Light shaking (MMI IV) / rattling, vibrating / very short : rumble and shake, as if heavy truck passing by.  
Rancho Cucamonga / Moderate shaking (MMI V) / horizontal (sideways) swinging / 10-15 s : Very loud noise that kept going, like the roof was going to cave in. Cat jumped.off the chair and ran. I yelled for my daughter upstairs. Went to doorway but it had already stopped. Cat yowling uncharacteristically for several minutes. Dog didn't wake up   
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Cherry estates mobile home park / Light shaking (MMI IV) / vertical swinging (up and down)
Riverside California / Moderate shaking (MMI V) / 2-5 s
Ontario, Ca (10.9 km SW of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 5-10 s : I had just dozed off, felt a sudden vibration and hear a little bang. I'm a truck driver so I assumed it was my trailer settling as it sometimes does, but then I remembered I was in a motel, so I looked online and saw we had just had an earthquake about 1  
Fontana ca / Moderate shaking (MMI V)
Rancho cucamonga / Weak shaking (MMI III) : Terrible feeling, wake me up lol  
Fontana / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s : I was sleeping but suddenly my bed shaked very hard. I got scared.  
Corona ca / Light shaking (MMI IV) / rattling, vibrating / very short
Millbrae, ca / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Riverside / Light shaking (MMI IV) / simple rolling (tilting sideways along one direction) / 2-5 s
Fontana / Moderate shaking (MMI V) / both vertical and horizontal swinging / 1-2 s : Sharp jolt of a local strong magnitude  
Upland / Light shaking (MMI IV) / 2-5 s
Jurupa Valley. (13 km SSE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
rancho cucamonga / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s : it made me cry.  
Fontana / Weak shaking (MMI III) / 2-5 s : More like a rolling wave from west to east.  
North Fontana (3 km S of epicenter) [Map] / Light shaking (MMI IV) / complex motion difficult to describe / 5-10 s : Heavy Jolt with light shaking several seconds  
Upland ca (15.5 km W of epicenter) [Map] / Light shaking (MMI IV)
Alta Loma / Light shaking (MMI IV) / complex motion difficult to describe / 1-2 s : Loud rumble and booming sound, jolt  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : So scary   
Rancho Cucamonga (2.4 km WNW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 10-15 s
Fontana, CA / Moderate shaking (MMI V) / complex motion difficult to describe
Sleeping / Light shaking (MMI IV) / 1-2 s : Just a hard jolt, and heard creaking of building I live downstairs  
Rancho Cucamonga / Weak shaking (MMI III) / 5-10 s : Minor shaking, but could hear what sounded like cracking and deep moaning in interior of house.  
Fontana / Light shaking (MMI IV) : Its loud  
It woke me up while I was sleeping / Light shaking (MMI IV) : It woke up 3 of my family members. It felt intense. My son thought someone accidentally drove into our house.  
Rancho cucamonga / Moderate shaking (MMI V) / rattling, vibrating / very short
Fontana / Light shaking (MMI IV) / single vertical bump / 1-2 s
Rialto / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Norco (27.1 km SSW of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 20-30 s : Thought my second story floor was going to come crashing down  
92336 / Weak shaking (MMI III) / rattling, vibrating / 1-2 s
Fontana / Moderate shaking (MMI V)
Fontana / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s : I felt scare. I was sleeping so around 1:30am  
fontana / Weak shaking (MMI III) / single lateral shake / 1-2 s : window shook  
Fontana, CA / Light shaking (MMI IV) / rattling, vibrating / 5-10 s : Light shaking continued for more than 5 seconds woke up myself and my husband from sleep.  
Rancho Cucamonga / Light shaking (MMI IV) / single vertical bump / 1-2 s : It was a strong jolt  
Corona, CA / Light shaking (MMI IV) / horizontal (sideways) swinging / 1-2 s : Single jolt followed by 1 second of shaking. Residential structure, 2 floors. Thump sound like something hit the building.  
Fontana / Moderate shaking (MMI V) / rattling, vibrating / very short : Rapid shake vibration of house  
Fontana / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s
Fontana / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
North Fontana / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Felt more like a few good jolts — and felt bigger than a 3.5 mag. I was upstairs laying down. My son was upstairs as well & felt it pretty good.  
Fontana / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s
corona / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Eastvale / Weak shaking (MMI III) / both vertical and horizontal swinging / 10-15 s
Rancho Cucamunga, CA (9.4 km SW of epicenter) [Map] / Light shaking (MMI IV) / vibration and rolling / 10-15 s : Was on the 4th (top floor) shook me awake in bed.  
Fontana / Light shaking (MMI IV) / single vertical bump / 2-5 s
Fontana / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : Strong jolt, seemed to last a few seconds  
Fontana Ca. / Light shaking (MMI IV) / 1-2 s : Felt shaking and my kids woke up.  
Fontana / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s : Scary  
Fontana (6.8 km S of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Bed shaking, vibrating  
  • It was scared
Fontana / Light shaking (MMI IV) / single lateral shake / 2-5 s : Light shake then a hard jolt , felt stronger then any shake felt before even tho they were bigger quakes , but I’m assuming since I was so close too it , it get very strong  
Rancho Cucamonga / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Riverside / Weak shaking (MMI III)
Fontana Ca (3.5 km SW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Felt jolts and heard the rattling noise of the house.  
Riverside, Ca. (22 km S of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Weak shaking while I was upstairs. (reported through our app)  
Riverside / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Shaking for a good couple seconds  
Riverside / Light shaking (MMI IV) / 1-2 s : Felt a spontaneous shake  
Fontana / Light shaking (MMI IV) / complex motion difficult to describe / 2-5 s : Felt a sharp jerk  
Woke me up in fontana / Light shaking (MMI IV) : It woke me up out of a dead sleep. As soon as I realized it was an earthquake it went away.  
Ontario, CA / Weak shaking (MMI III) / rattling, vibrating
Ranch Cucamonga / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s
Fontana / Light shaking (MMI IV) / 2-5 s
BLOOMINGTON / Moderate shaking (MMI V) / single lateral shake / 2-5 s
Fontana / not felt / complex motion difficult to describe / 1-2 s : F6$rqwjj  
Rancho Cucamonga, California, USA / Moderate shaking (MMI V) / single vertical bump / 1-2 s : Upstairs in bedroom, one upward thrust motion. Rancho Cucamonga, California, moderate, duration 1-2 seconds.  
Fontana, California / Light shaking (MMI IV) / rattling, vibrating / 10-15 s : There was a rumbling and shaking. Woke us from a dead sleep.  
Rancho Cucamonga (4.5 km SW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / very short : Brief hard shake felt on ground floor  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Felt like a rumble, hard shake. I live in an apartment first floor. There is a second floor above me  
Fontana, California / Moderate shaking (MMI V) / single lateral shake / 1-2 s : Sentí como un golpe! Se movió toda la casa, fue corto, pero bastante fuerte,  
Redwood / Light shaking (MMI IV) / 2-5 s
Eastvale, CA / Light shaking (MMI IV) / single vertical bump / 2-5 s : one good jolt  
Ontario (13 km WSW of epicenter) [Map] / Weak shaking (MMI III) / vibration and rolling / very short : Light shake then vibration  
Ontario, CA (16.9 km SW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : I felt a strong jolt then back and forth shake for about 5 seconds. I heard rattling as well. I was awake when it hit.  
Fontana California (10.4 km E of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 2-5 s : Very sharp jolt only for 3-4 seconds  
Rancho Cucamonga / Light shaking (MMI IV) / 2-5 s
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Bigger than most single jolts we usually feel here.  
Fontana / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Scared, woke me up  
Eastvale, CA / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 15-20 s
92336 (2.8 km E of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 2-5 s
Rancho Cucamonga, Ca 91739 (5.9 km WSW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Very loud noisy big rumble sounds and real fast movement lasting about 5 seconds  
Fontana / Weak shaking (MMI III) / 1-2 s
Fontana / not felt
Fontana / Light shaking (MMI IV) / both vertical and horizontal swinging / very short : Pretty strong. And loud. Animals got scared. Quick but a good jolt and rumble. shake was pretty strong and intense. Felt stronger than 3.1 because it was centered 4 miles away from my home.  
San bernardino / Very weak shaking (MMI II)
Fontana / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Rancho Cucamonga / Light shaking (MMI IV) / single lateral shake / 2-5 s
991 west Blaine street / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Sofa swing sideways lightly with  
Fontana, CA / Very weak shaking (MMI II) : The tremor was quick and short but strong enough to wake me up. I thought I was only dreaming since I’m the only one who woke up to the tremor.  
Fontana / Light shaking (MMI IV) / single lateral shake / 1-2 s
FONTANA / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : whole house shook  
Aliso Viejo, CA / Weak shaking (MMI III) / single lateral shake / very short : In Aliso Viejo felt slake  
Colton / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Quick jolt  
Fontana / Light shaking (MMI IV) / 2-5 s : It was a quick, violent shake and sounded similar to an explosion.  
Fontana / Light shaking (MMI IV) / rattling, vibrating
Fontana (3.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 2-5 s
Colton / Weak shaking (MMI III) / single lateral shake / 1-2 s : A sudden jolt  
Ontario Ca / Very weak shaking (MMI II) / single lateral shake / 1-2 s : Felt 2 consecutive shakes  
Fontana / Light shaking (MMI IV) / single lateral shake
Rialto, CA (6.3 km NE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Ontario, Ca / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Fontana. CA / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Fontana, CA / Light shaking (MMI IV) / 2-5 s
Chino / Light shaking (MMI IV) / vibration and rolling / 1-2 s : Laying down, heard creeking and bed vibrate. Jolted me awake  
Fontana (3.5 km NE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Kitchen w dog / not felt : But the house made a weird cracking noise  
Fontana / Weak shaking (MMI III) : One big jolt in Fontana Anthony Ortiz no shaking  
San Bernardino / Weak shaking (MMI III) / complex motion difficult to describe / 1-2 s
Rancho Cucamonga (5 km W of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Vibrations woke me up.  
Fontana California / Light shaking (MMI IV) / very short
fontana california / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : pretty noticeable  
sitting down smoking / Light shaking (MMI IV) / single lateral shake / 2-5 s : i was getting puse non stop always intensity in my body!STAY SAFE EVERYONE  
Rancho Cucamonga, CA / Light shaking (MMI IV) / single lateral shake / 1-2 s
Eastvale, ca / Very weak shaking (MMI II) / single vertical bump
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