Terremoto moderato mag. 4.6 - 16 km a est da Quito, Provincia de Pichincha, Ecuador, martedì, 23 nov 2021 11:03 (GMT -5) -

Terremoto moderato mag. 4.6 - 16 km a est da Quito, Provincia de Pichincha, Ecuador, martedì, 23 nov 2021 11:03 (GMT -5)

Terremoto moderato magnitudine 4.6 at 12 km depth

23 Nov 16:05 UTC: Primo a segnalare: VolcanoDiscovery dopo 3 minuti.
23 Nov 16:06: Ora utilizzando nuova fonte di dati: IGEPN
23 Nov 16:08: Magnitudine ricalcolata da 4.8 a 4.5. Profondità ricalcolata da 8.0 a 4.0 km (da 5 a 2.5 mi). Posizione dell'epicentro corretta di 1.6 km (1 mi) al NO.
23 Nov 16:18: Magnitudine ricalcolata da 4.5 a 4.6. Profondità ricalcolata da 4.0 a 12.0 km (da 2.5 a 7.5 mi). Posizione dell'epicentro corretta di 2.5 km (1.5 mi) al SSE.
Update Tue, 23 Nov 2021, 16:12
Moderate earthquake of magnitude 4.5 just reported 16 km northeast of San Francisco de Quito, Ecuador
4.5 quake 23 Nov 11:03 am (GMT -5)
4.5 quake 23 Nov 11:03 am (GMT -5)
An earthquake of magnitude 4.5 occurred in the morning on Tuesday, November 23rd, 2021, at 11:03 am local time near San Francisco de Quito, Cantón Quito, Provincia de Pichincha, Ecuador, as reported by the Institute of Geophysics of the National Polytechnic School in Quito (IGEPN).
According to preliminary data, the quake was located at a very shallow depth of 4 km. Shallow earthquakes are felt more strongly than deeper ones as they are closer to the surface. The exact magnitude, epicenter, and depth of the quake might be revised within the next few hours or minutes as seismologists review data and refine their calculations, or as other agencies issue their report.
A second report was later issued by the European-Mediterranean Seismological Centre (EMSC), which listed it as a magnitude 4.5 earthquake as well.
Based on the preliminary seismic data, the quake was probably felt by many people in the area of the epicenter. It should not have caused significant damage, other than objects falling from shelves, broken windows, etc.
In San Francisco de Quito (pop. 1,399,800) located 16 km from the epicenter, the quake should have been felt as light shaking.
Weak shaking might have been felt in Sangolqui (pop. 5,100) located 20 km from the epicenter, Cayambe (pop. 26,600) 36 km away, Machachi (pop. 25,700) 43 km away, Otavalo (pop. 32,300) 46 km away, Cotacachi (pop. 8,200) 53 km away, and Atuntaqui (pop. 17,500) 59 km away.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Santo Domingo de los Colorados (pop. 200,400) located 87 km from the epicenter, Latacunga (pop. 51,700) 89 km away, and Pujili (pop. 16,200) 95 km away.
VolcanoDiscovery will automatically update magnitude and depth if these change and follow up if other significant news about the quake become available. If you're in the area, please send us your experience through our reporting mechanism, either online or via our mobile app. This will help us provide more first-hand updates to anyone around the globe who wants to know more about this quake.

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Earthquake data

Data & ora: 23 Nov 2021 16:03:22 UTC -
Ora locale a epicentro: martedì, 23 nov 2021 11:03 (GMT -5)
Magnitudine: 4.6
Prof.: 12.0 km
Epicentro latitudine / longitudine: 0.18°S / 78.39°W (Canton Quito, Provincia de Pichincha, Ecuador)
Antipode: 0.18°N / 101.61°E
Vulcano più vicino: Guagua Pichincha (23 km / 14 mi)
Nearby towns and cities:
16 km ENE da Quito (Pichincha) (pop: 1,399,800) --> Vedi sismi vicini
18 km NNE da Sangolqui (Rumiðahui, Pichincha) (pop: 5,110) --> Vedi sismi vicini
37 km SO da Cayambe (Pichincha) (pop: 26,600) --> Vedi sismi vicini
42 km NNE da Machachi (Mejia, Pichincha) (pop: 25,700) --> Vedi sismi vicini
48 km SSO da Otavalo (Imbabura) (pop: 32,300) --> Vedi sismi vicini
60 km SSO da Atuntaqui (Antonio Ante, Imbabura) (pop: 17,500) --> Vedi sismi vicini
88 km NNE da Latacunga (Cotopaxi) (pop: 51,700) --> Vedi sismi vicini
88 km E da Santo Domingo de los Colorados (Santo Domingo de los Tsáchilas) (pop: 200,400) --> Vedi sismi vicini
93 km NNE da Pujili (Cotopaxi) (pop: 16,200) --> Vedi sismi vicini
122 km N da Ambato (Provincia de Tungurahua) (pop: 154,400) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Light Rain 18.6°C (65 F), humidity: 59%, wind: 1 m/s (2 kts) from ENE
Fonte dati primaria: IGEPN (Institute of Geophysics of the National Polytechnic School in Quito)
Stima dell'energia sismica liberata: 5 x 1011 joules (139 MWh, equivalent to 120 tons of TNT) | about seismic energy
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Data for the same earthquake reported by different agencies

Info: The more agencies report about the same quake and post similar data, the more confidence you can have in the data. It takes normally up to a few hours until earthquake parameters are calculated with near-optimum precision.
Mag.Prof.UbicazioneFonte
4.612 kmEcuador - Pichincha, A 14.25 Km De QuitoIGEPN
4.96 kmECUADOREMSC
4.93.8 km3 Km WNW of Oyambarillo, EcuadorUSGS
4.710 kmEcuadorGFZ
4.95.5 kmEcuadorRaspberryShake

User reports for this quake (142)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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near San Francisco de Quito, Pichincha (3.4 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s : Inside home medium shaking for abt 10 seconds | 4 users found this interesting.  
Quito / Moderate shaking (MMI V) / both vertical and horizontal swinging / 20-30 s : Lying on the bed felt the bed move up and down and shaking before I realized it was an earthquake. Things were rattling and moving, stil shaking back and fourth before it calmed. Was on 10th floor of an apartment | 3 users found this interesting.  
Quito / Moderate shaking (MMI V) / single vertical bump / 10-15 s : The earthquake was preceded by slight tremors. There was a sudden, intense shake which I thought was an explosion. This sudden jarring was unusual. It was very short as well. I didn't even get under a covering as it was over a few seconds after starting. | 2 users found this interesting.  
San Francisco de Quito, Pichincha (11.6 km W of epicenter) [Map] / Strong shaking (MMI VI) / complex motion difficult to describe / 30-60 s : Strong shaking, building creaked fairly loudly. Things fell around the house. Walls developed various new cracks, but stayed intact. | One user found this interesting.  
C. Ruminahui, ciudad Tumbaco (3.8 km S of epicenter) [Map] / Moderate shaking (MMI V) / vertical swinging (up and down) / 2-5 s : There were a few strong and short vertical pulses. It was not the wave like motion like earthquakes felt from a distance. | One user found this interesting.  
Tumbaco (5 km SSE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s : It was short duration about 10 to 15 seconds. There was a lot of noise, mostly from everything in the house rattling. It was more shaking then an up and down or a side to side motion.  
Quito, Ecuador (9.9 km NW of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s : Helping teach a class on 3rd floor. Kids kept playing. Everyone remained calm. Once shaking stopped, teachers guided the class outside  
San Antonio de Pichincha (18.2 km NNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : Not a rattle or a vibrate, clearly defined sideways movements but only about 6 in total. Third felt the most powerful.  
Quito airport / Light shaking (MMI IV) / rattling, vibrating / 30-60 s : Shaking and the sound/feeling of a big train beneath us. Locals seemed unfazed. Took us a few seconds to figure out what happened. The new airport must be quake proof. Never felt unsafe.  
Quito, city centre / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s : There was a distant but distinctive bang or boom immediately followed by the shaking, strong enough to feel off balance (I was standing) and to rattle cups and glasses around in the kitchen.  
Sleeping / Moderate shaking (MMI V) / complex motion difficult to describe / 5-10 s : Got wake up to the shaking of the bed , the noise was pretty loud too . It lasted for about 5-10 sec from the time I woke up  
Quito / Moderate shaking (MMI V) / single vertical bump / very short : Moderate shaking. One short, sharp jolt, felt like an explosion under the house. No aftershocks yet. No significant damage. Neighbors ran out into the street  
Conocoto, EC / Moderate shaking (MMI V) / complex rolling (tilting in multiple directions) / 30-60 s : Dishes in cupboard rattled. Water in 5 gallon bottle rose and fell about 5cm. Hanging lights swung maybe 30 cm or more.  
Quito Ecuador, Sector El Batan / Light shaking (MMI IV) / rattling, vibrating / 15-20 s : Rattling of objects and shaking. I am six stories up but only the front part of the building was shaking, in the middle where there is more support the shaking was much milder.  
Quito / Moderate shaking (MMI V) / horizontal (sideways) swinging / 30-60 s : A rumble and then moderately violent shaking, difficult to walk around. | One user found this interesting.  
Quito la mariscal (11.8 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / both vertical and horizontal swinging / 5-10 s : Very Weak shaking, felt it on the fifth Floor  
Quito (9.4 km W of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating : Big fear  
Macata y tinococha (13.7 km WNW of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 5-10 s
Quito la mariscal (11.8 km WSW of epicenter) [Map] / Very weak shaking (MMI II) / both vertical and horizontal swinging / 5-10 s : Very Weak shaking, felt it on the fifth Floor  
Quito (10 km W of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 20-30 s : Shaking walls in the building  
near San Francisco de Quito, Pichincha (12.1 km WNW of epicenter) [Map] / not felt
Tumbaco (6.5 km SSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
San Francisco de Quito, Pichincha (10 km W of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / 10-15 s (reported through our app)
Tumbaco, quito (5.8 km SSW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s
Quito, Guesthouse Tombacajas (13.5 km W of epicenter) [Map] / Light shaking (MMI IV) / both vertical and horizontal swinging / 10-15 s : Room and infrastructure shaking  
near San Francisco de Quito, Pichincha (4 km SSW of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
monteserrin (8 km WNW of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
Quito (11 km WSW of epicenter) [Map] / Weak shaking (MMI III) / single vertical bump / 1-2 s : Walking on 10th floor, vertical bump.  
Quito (13.8 km SW of epicenter) [Map] / Strong shaking (MMI VI) / vibration and rolling / 10-15 s : Felt strong with some objects falling off of shelves. No physical damage to the house.  
Quito (11.8 km WSW of epicenter) [Map] / Moderate shaking (MMI V) / 20-30 s : Was laying in bad watching tv.  
near San Francisco de Quito, Pichincha (13.2 km WNW of epicenter) [Map] / Moderate shaking (MMI V) / horizontal (sideways) swinging / 20-30 s
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