Light mag. 3.8 earthquake - Glenn County, 18 mi southwest of Chico, Butte County, California, USA, on Sunday, 27 Dec 2020 6:44 am (GMT -8) -

Light mag. 3.8 earthquake - Glenn County, 18 mi southwest of Chico, Butte County, California, USA, on Sunday, 27 Dec 2020 6:44 am (GMT -8)

Light magnitude 3.8 earthquake at 26 km depth

27 Dec 14:48 UTC: First to report: USGS after 3 minutes.
27 Dec 16:20: Magnitude recalculated from 3.9 to 3.8.
27 Dec 22:24: Hypocenter depth recalculated from 24.6 to 26.9 km (from 15.3 to 16.7 mi). Epicenter location corrected by 1.6 km (1 mi) towards N.
27 Dec 22:40: Hypocenter depth recalculated from 26.9 to 26.4 km (from 16.7 to 16.4 mi).
Update Sun, 27 Dec 2020, 14:54
Small 3.9 quake hits near Willows, Glenn County, California, United States
3.9 quake 27 Dec 6:44 am (GMT -8)
3.9 quake 27 Dec 6:44 am (GMT -8)
The United States Geological Survey (USGS) reported a magnitude 3.9 quake in the United States near Willows, Glenn County, California, only 9 minutes ago. The earthquake hit early morning on Sunday 27 December 2020 at 6:44 am local time at a shallow depth of 15 miles. 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 3.9 earthquake as well.
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 Willows (pop. 6,100) located 10 miles from the epicenter.
Other towns or cities near the epicenter where the quake might have been felt as very weak shaking include Durham (pop. 5,500) located 16 miles from the epicenter, Biggs (pop. 1,700) 17 miles away, Chico (pop. 90,300) 19 miles away, Colusa (pop. 5,900) 19 miles away, Gridley (pop. 6,600) 19 miles away, Orland (pop. 7,600) 20 miles away, and Yuba City (pop. 66,900) 32 miles away.
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Earthquake data:

Date & time: 27 Dec 2020 14:44:40 UTC -
Local time at epicenter: Sunday, 27 Dec 2020 6:44 am (GMT -8)
Magnitude: 3.8
Depth: 26.4 km
Epicenter latitude / longitude: 39.50583°N / 122.01767°W (Glenn County, California, United States)
Nearest volcano: Clear Lake (87 km / 54 mi)
Nearby towns and cities:
11 km (7 mi) N of Princeton (pop: 303) --> See nearby quakes!
15 km (9 mi) E of Willows (Glenn County) (pop: 6,070) --> See nearby quakes!
29 km (18 mi) SSW of Chico (pop: 90,300) --> See nearby quakes!
31 km (19 mi) SSE of Orland (Glenn County) (pop: 7,550) --> See nearby quakes!
32 km (20 mi) WNW of Gridley (pop: 6,580) --> See nearby quakes!
44 km (27 mi) SW of Paradise (Butte County) (pop: 26,500) --> See nearby quakes!
53 km (33 mi) NW of Yuba City (pop: 66,900) --> See nearby quakes!
94 km (59 mi) NNW of Woodland (pop: 58,600) --> See nearby quakes!
105 km (65 mi) NW of Roseville (pop: 130,300) --> See nearby quakes!
112 km (70 mi) NNW of Sacramento (pop: 490,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 5°C (41 F), humidity: 80%, wind: 2 m/s (3 kts) from SE
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 3.2 x 1010 joules (8.78 megawatt hours, equivalent to 7.56 tons of TNT) More info
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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.
MagnitudeDepthLocationSource
3.826 km15km E of Willows, CA, USAUSGS
3.826 kmNORTHERN CALIFORNIA, USAEMSC

User reports for this quake (181)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
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Willows / Moderate shaking (MMI V) / 5-10 s : I rolled to floor and covered the back of my head with my palms. I whimpered and start to cry like little girl. I forget who I am or what it is going on by pretending my pony tails are not fake ones hold on by duct tape. The ground rumble noise, picture on wall of dear Grandma rattling. My sweetheart, Helga smack me with fly swatter and tell me to "knock it off"! | 5 users found this interesting.  
Chico CA / Very weak shaking (MMI II) / single vertical bump / very short : I live in an old farm cottage and i was reading when the house "jolted" a little and then immediately once more stronger. I didnt know if something had fallen on the cottage because i could hear it mostly in the roof. Then i saw water in tea kettle was swaying and a few hangings from the roof were swaying. I just felt the 2 jolts but an " eery" feeling lingers. | 5 users found this interesting.  
Biggs,CA (28.2 km ESE of epicenter) [Map] / Weak shaking (MMI III) : Felt like a huge ag equipment passing but not accompanied by any motor sounds. And the pattern of vibration shaking was not predictable like an approaching/passing typical large too many tons truck. | 4 users found this interesting.  
gridley, CA / Light shaking (MMI IV) / 1-2 s : First heard sound as a slamming door. A couple seconds later quaked. Not rolling more jolt. I was awake already. | 4 users found this interesting.  
Gridley / Moderate shaking (MMI V) / very short : I was laying in bed and my house just sounded and felt like it was going to collapse or being shaken. Hard to explain. Very scary. | 3 users found this interesting.  
Chico Ca / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s : I was awake already and heard the vibration noise first then an intense jolt. It was over in a couple of seconds. I thought a car crashed in my yard. | 3 users found this interesting.  
GRASS VALLEY (89.4 km ESE of epicenter) [Map] / Weak shaking (MMI III) / rattling, vibrating / 2-5 s : Apartment, single level, stilted on one side,entire length, hillside with 6' deep space beneath. My experience is that at 6:45 a.m. on 12/27/2020, I am sitting at my kitchen table, situated above the above described stilted apartment side, and felt a distinct rumble and heavier vibration where I sat. I was immediately aware that it must be an earthquake occurring. We do not feel many of them in this part of the Sierra Nevada Foothills, but I've lived here most of my life and do know what one fee | 2 users found this interesting.  
Colfax, CA (101.4 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : I heard a rumbling outside that sounded like it was moving towards my home. Then there was a brief shake and the windows and some other things quickly rattled and then it was gone. | 2 users found this interesting.  
Nevada City California Red Dog Road / not felt / vibration and rolling / very short : I was lying in bed and felt a VERY fast moving rolling followed by the sound of the house creaking maybe 3 different times. Our house is on andesite on granite. Earthquakes up here are often heard before felt. There was no Shaking it was very fast rolling. Like being in a fast moving vehicle that is going over a series of very close together speed bumps. Unfortunately if I want to submit this I have to choose a box above that isn’t really accurate. | 2 users found this interesting.  
Bieber ca (194.2 km NNE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : I was sitting in my recliner drinkung a cup of coffee, my bf was sitting on sofa across from me...i felt my seat rumble, as if I were in an idling pick up...i felt it in my stomach. It was real quick. I felt it, he told me I needed to quit smoking pot. | One user found this interesting.  
Gridley, ca (31.5 km ESE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : Woke me up. I thought that it was a truck at first, but I realized a truck wouldn't have shaken my bed/wall. I then thought maybe it was thunder or an explosion, but didn't realize it was an earthquake until I saw the news. | One user found this interesting.  
216 Denali Dr (30.8 km NNE of epicenter) [Map] / Weak shaking (MMI III) / single lateral shake / 1-2 s : Heard quake before it arrived, rumbling followed by a loud crack of wood nearby. Single large shake. Items in house were disturbed. | One user found this interesting.  
Chico (29.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / very short : Woke me from sleep, felt the house slide out and then back. Almost like a large limb fell against the house, or maybe a truck backed into it. | One user found this interesting.  
Colfax, CA (101.4 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s : I heard a rumbling outside that sounded like it was moving towards my home. Then there was a brief shake and the windows and some other things quickly rattled and then it was gone. | One user found this interesting.  
Biggs,CA (28.2 km ESE of epicenter) [Map] / Weak shaking (MMI III) : Felt like a huge ag equipment passing but not accompanied by any motor sounds. And the pattern of vibration shaking was not predictable like an approaching/passing typical large too many tons truck. | One user found this interesting.  
Live Oak (36.5 km SE of epicenter) [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : This was a very quick, single jolt that moved the sofa I was sitting on very slightly. I looked on your site because I thought it may have been a small quake. | One user found this interesting.  
  • Shook us out of bed Very quick but big jolt
Chico (31.6 km NNE of epicenter) [Map] / Light shaking (MMI IV) / single vertical bump / 1-2 s : It felt like a wave of energy moved thru the entire apartment complex shaking the blinds and ceiling fans. | One user found this interesting.  
3.6 km E of epicenter [Map] / Moderate shaking (MMI V) / simple rolling (tilting sideways along one direction) / 1-2 s : Heard thunder and then shaking | 2 users found this interesting.  
Gridley, ca / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Shook the house twice,felt like a far away explosion under our feet, we went outside to see what it was, the neighbors met us out on the street, they felt it also. | One user found this interesting.  
Orangevale / Very weak shaking (MMI II) : A very light shift maybe 3 waves seconds to minutes of each one, cat acting unusual running about and protective, I was laying on bed, my head was north my feet south | One user found this interesting.  
Yuba City / Light shaking (MMI IV) / very short : I was laying in bed, heard a loud noise felt the house shake and wondered what the heck is that, then it was over. Kinda scared me. | One user found this interesting.  
Gridley, California / Very weak shaking (MMI II) : I was awake in bed, felt very minor movement. If I had not been awake I don’t think it would of woke me. Thought it might be earthquake checked phone and saw there had been minor quake near Willows. | One user found this interesting.  
Placerville, Ca / Light shaking (MMI IV) / single lateral shake / 5-10 s : Felt one large shake/jolt and then vibration feeling for a few seconds after. Initial jolt woke my daughter upstairs sleeping. | One user found this interesting.  
Grass Valley, CA, home in desk chair / Light shaking (MMI IV) / 1-2 s : Not rolling. A jolt that was felt and heard by myself and my husband who was in a different room in the house. | One user found this interesting.  
Gridley / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : 2 back-to-back instances. First was a very short “bump” feeling. Second instance had: Walls creaked, windows rattled, couch jerked, mandarin rolled off the top of a fruit centerpiece. Husband slep through it. | One user found this interesting.  
Live Oak, Ca. / Very weak shaking (MMI II) / single lateral shake / very short : Felt in Live Oak, Ca. off of North Butte Rd. I was awakened out of a dead sleep and my whole family woke up thinking something hit the house, like a car or I thought that one of my parents fell down in the house somewhere. An initial shake then done by the time I was fully awake. We have a one story house. | One user found this interesting.  
Chico Ca / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s : I was awake already and heard the vibration noise first then an intense jolt. It was over in a couple of seconds. I thought a car crashed in my yard. | One user found this interesting.  
Willows / Light shaking (MMI IV) / rattling, vibrating / 1-2 s : Having experienced many earthquakes while living 1984-1985 in Los Angeles, compared to those earthquakes, this one felt milder shaking than what was described as a 5 then and was for shorter duration and more rapid shaking and lasted a couple of seconds. | One user found this interesting.  
Live Oak, Ca. / Very weak shaking (MMI II) / single lateral shake / very short : Felt in Live Oak, Ca. off of North Butte Rd. I was awakened out of a dead sleep and my whole family woke up thinking something hit the house, like a car or I thought that one of my parents fell down in the house somewhere. An initial shake then done by the time I was fully awake. We have a one story house. | One user found this interesting.  
11437 Ball Road, Grass Valley, CA / Light shaking (MMI IV) : I was having my coffee and felt the light shaking that went for about 20 seconds...heard my glassware shake in the curio. | One user found this interesting.  
Chico, California / Light shaking (MMI IV) / 5-10 s : I thought it was a large truck passing at first but it lasted too long and shook harder than passing traffic. In bed at the time. | One user found this interesting.  
Chico / Light shaking (MMI IV) / rattling, vibrating / 2-5 s : Sleeping when I felt the bed shaking and then the door rattled. My boyfriend who was sleeping right next to me didn’t feel it but I did. | One user found this interesting.  
Bieber ca (194.2 km NNE of epicenter) [Map] / Weak shaking (MMI III) / 2-5 s : I was sitting in my recliner drinkung a cup of coffee, my bf was sitting on sofa across from me...i felt my seat rumble, as if I were in an idling pick up...i felt it in my stomach. It was real quick. I felt it, he told me I needed to quit smoking pot.  
Grass Valley, CA 95949 (15.1 km SE of epicenter) [Map] / Very weak shaking (MMI II) / 1-2 s : I was laying on my back On a mattress on the floor, of one story home.I looked at my clock, it was close to 6:45 am  
86.1 km ESE of epicenter [Map] / Light shaking (MMI IV) / 1-2 s : The chair I was sitting in vibrated, the dishes in the China cabinet tapped together, and our dining room light swung lightly.  
Grass Valley, CA (86.4 km ESE of epicenter) [Map] / Very weak shaking (MMI II) / single vertical bump / very short : Woke us up with a boom, with some shaking of wire fence shortly after. No damage, wasn't even sure what it was until we compared experiences later in the morning.  
Chico California (25.5 km NE of epicenter) [Map] / Weak shaking (MMI III) / very short : Sitting on the couch and felt is shake. It was a quick side to side. No strong enough to move anything  
Orland / Light shaking (MMI IV) : Boom sound, like someone running into a wall then China hutch shook. | 2 users found this interesting.  
Yuba City / Light shaking (MMI IV) / vibration and rolling / 5-10 s : Heard a rumbling, then felt a jolt. rattled house/windows-lasted 5 to 10 seconds | 2 users found this interesting.  
Chico (29.7 km NNE of epicenter) [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 2-5 s : I just got woken up by it, my bed was shaking and my TV was moving on the wall. | One user found this interesting.  
Red Bluff Ca / Weak shaking (MMI III) / complex motion difficult to describe / 1-2 s : I was asleep and was awakened. I sat up and asked my wife, ( Was that an earthquake )? I live in the Bend district of Red Bluff ca.  
Grass Valley / Very weak shaking (MMI II) / rattling, vibrating / 10-15 s : I was up, I didn't feel the ground moving, but my I could hear my windows rattle through the duration.  
Dobbins California home / Weak shaking (MMI III) / very short : I was laying in bed awake and I felt my bed shaking, then it quit then a second or so later it happened again.  
Chico Ca / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s : I was awake already and heard the vibration noise first then an intense jolt. It was over in a couple of seconds. I thought a car crashed in my yard.  
YUBA CITY / Weak shaking (MMI III) / simple rolling (tilting sideways along one direction) / 2-5 s : Was awake but still in bed, felt a slow double roll, then slight shaking 2-3 seconds at 6:46am. Yuba City  
Yuba City / Light shaking (MMI IV) : Heard a whoosh like strong wind and then a strong jolt shook the whole house once and caused the house to pop loudly  
Chico Ca / Moderate shaking (MMI V) / rattling, vibrating / 1-2 s : I was awake already and heard the vibration noise first then an intense jolt. It was over in a couple of seconds. I thought a car crashed in my yard.  
Loma rica, 95901 / Moderate shaking (MMI V) / rattling, vibrating / 5-10 s : Whole house shoot and rattled. 2 story home the sounds shook and rattled from all sides deep sounding  
Chico 95926 / Moderate shaking (MMI V) / 5-10 s : Woken from deep sleep. Dog also felt. Rolling and shaking. | One user found this interesting.  
Chico 95926 / Moderate shaking (MMI V) / 5-10 s : Woken from deep sleep. Dog also felt. Rolling and shaking. | One user found this interesting.  
Colusa, near 20 and Fremont. Felt the table and d / Light shaking (MMI IV) : Felt my dining table like jerk and my chair did the same. | One user found this interesting.  
Gridley / Light shaking (MMI IV) / single vertical bump : Sound of a explosion then the quick shake | One user found this interesting.  
87.3 km ESE of epicenter [Map] / Very weak shaking (MMI II) / 1-2 s
Weaverville ca (157.5 km NNW of epicenter) [Map] / not felt
Fullerton CA (723.4 km SSE of epicenter) [Map] / not felt
38.2 km ESE of epicenter [Map] / Weak shaking (MMI III) / very short : Felt like someone jumped on the roof of my house  
342.2 km SE of epicenter [Map] / not felt
Manteca CA. 95337 (203.3 km SSE of epicenter) [Map] / not felt
Live Oak (40.3 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
30.8 km NE of epicenter [Map] / Very weak shaking (MMI II)
Willows ca (15.3 km W of epicenter) [Map] / not felt : Was asleep but something woke me up. Maybe that was it.  
24.8 km ENE of epicenter [Map] / Very weak shaking (MMI II) / single lateral shake / very short
30.6 km NNW of epicenter [Map] / Light shaking (MMI IV) / single lateral shake / 1-2 s : My apartment building shifted to the east... Saw my walls move simultaneously in Orland California  
702.2 km SE of epicenter [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
Pollock Pines (149.8 km SE of epicenter) [Map] / Very weak shaking (MMI II) / rattling, vibrating / 1-2 s
Orland,CA (29.2 km NNW of epicenter) [Map] / Light shaking (MMI IV)
Orland,CA (29.2 km NNW of epicenter) [Map] / Light shaking (MMI IV)
Chico,CA (28.6 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 1-2 s : I was in bed waking up and felt a light shake.  
Chico,ca in apt. (13.8 km E of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s (reported through our app)
36.1 km ESE of epicenter [Map] / Light shaking (MMI IV) / 1-2 s
Folsom (120.1 km SE of epicenter) [Map] / Very weak shaking (MMI II)
Live Oak, CA (38.9 km SE of epicenter) [Map] / Light shaking (MMI IV) / 1-2 s
Yuba city (51.9 km SE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
31.5 km NNW of epicenter [Map] / Weak shaking (MMI III) / rattling, vibrating
27 km NE of epicenter [Map] / Light shaking (MMI IV) : Grandson woke up to shaking in his room.  
Orland,CA (29.2 km NNW of epicenter) [Map] / Light shaking (MMI IV)
4 km NNE of epicenter [Map] / Very weak shaking (MMI II) / single vertical bump : GLENN. One big Thud and rocked the house. No shaking. 2nd earthquake out here in a year or so.  
32.1 km NNE of epicenter [Map] / Weak shaking (MMI III) / 2-5 s : Was in bed, just rolled over and felt a jolt. No damage to household.  
39.3 km SE of epicenter [Map] / Light shaking (MMI IV) / single vertical bump / 2-5 s
Loma Rica (178.3 km ESE of epicenter) [Map] / Light shaking (MMI IV) / rattling, vibrating / very short
93.8 km ESE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
live oak (36.3 km NNE of epicenter) [Map] / Light shaking (MMI IV) / very short
Live. Oak ca (40 km SE of epicenter) [Map] / Strong shaking (MMI VI) / single vertical bump / 1-2 s
93.8 km ESE of epicenter [Map] / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
702.2 km SE of epicenter [Map] / Weak shaking (MMI III) / horizontal (sideways) swinging / 2-5 s
27.9 km NNE of epicenter [Map] / Weak shaking (MMI III) / single lateral shake / very short
Live Oak, California (39.7 km SE of epicenter) [Map] / Light shaking (MMI IV) / 2-5 s
50.3 km NE of epicenter [Map] / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s
Chico (30.7 km NNE of epicenter) [Map] / Very weak shaking (MMI II) / single lateral shake / 2-5 s
Colfax, Ca (101.5 km ESE of epicenter) [Map] / Light shaking (MMI IV)
28.9 km NNE of epicenter [Map] / Light shaking (MMI IV)
39.4 km SE of epicenter [Map] / Very weak shaking (MMI II)
111.6 km SE of epicenter [Map] / Weak shaking (MMI III) / 2-5 s
63 km E of epicenter [Map] / Very weak shaking (MMI II) / vibration and rolling / 1-2 s
Chico, CA (24.2 km NE of epicenter) [Map] / Moderate shaking (MMI V)
28.3 km NNE of epicenter [Map] / Light shaking (MMI IV) / horizontal (sideways) swinging / 10-15 s
Live Oak CA (39.6 km SE of epicenter) [Map] / Moderate shaking (MMI V) / rattling, vibrating / very short : It woke me up.  
Gridley, California (32.2 km ESE of epicenter) [Map] / Very weak shaking (MMI II)
30.8 km NE of epicenter [Map] / Light shaking (MMI IV)
Half Moon Bay / Very weak shaking (MMI II) : Felt a wave motion cross my "modern" rocking chair while sitting  
Plainfield St Esparto, Ca / not felt
Lemoore / Very weak shaking (MMI II) / 1-2 s
Orland,ca. / Moderate shaking (MMI V) / single lateral shake / 2-5 s
Tahoma, California / Very weak shaking (MMI II) : I was awake in Tahoe. I felt a bit of a movement but I didn't say anything about it.  
Wheatland, Ca / not felt
Corning, ca / not felt
Perris ca / not felt / rattling, vibrating / very short
96158 / not felt
BIGGS CALIFORNIA USA / Very weak shaking (MMI II) / 1-2 s : Very light wave motion  
10246 salmon creek rd / not felt
Duarte, Ca / Very weak shaking (MMI II)
Kelseyville / not felt
Princeton CA / Light shaking (MMI IV) / 2-5 s
Visalia CA / not felt
Oregon House / Moderate shaking (MMI V) / single vertical bump / very short : More of a jolt than shaking.  
Temple city / not felt
Challenge, Ca / Weak shaking (MMI III) / rattling, vibrating / 5-10 s
Glenn / Light shaking (MMI IV) / 5-10 s : A small rolling sensation, then one big boom. I am within 3 miles of epicenter  
Gridley / Light shaking (MMI IV) / 1-2 s
Shingletown / not felt : Nothing felt  
Greenfield, California 93927 / not felt : Not felt here.  
Cameron Park / Weak shaking (MMI III) / 1-2 s
Georgetown / Very weak shaking (MMI II) / rattling, vibrating / 5-10 s : Just heard China rattle !  
Chico / not felt
Colusa / Very weak shaking (MMI II) : Was laying in bed when it moved for a second  
Graylodge national wildlife refuge / Moderate shaking (MMI V) / 1-2 s : Felt like an explosion  
Chico, CA / not felt
Roseville / not felt
Chico 95926 / Moderate shaking (MMI V) / 5-10 s : Woken from deep sleep. Dog also felt. Rolling and shaking.  
Sutter, CA / Light shaking (MMI IV) / 2-5 s : sound of house creaking woke me up followed by a short shaking  
Chico 95926 / Moderate shaking (MMI V) / 5-10 s : Woken from deep sleep. Dog also felt. Rolling and shaking.  
willows / Moderate shaking (MMI V) / single vertical bump / 1-2 s : A few bumps - lasting 2 seconds easily felt while lying in bed. Intensity between MM III & MM IV.  
Orland / Very weak shaking (MMI II) / very short
2 miles north of Ord Bend on County Road 29 / Moderate shaking (MMI V) / single vertical bump / 2-5 s : I was asleep and the jolt woke me up  
Chico, Ca / Weak shaking (MMI III) : My bed was swinging, i woke to a few more seconds of lite swinging. Went right back to sleep.  
Alta Sierra / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
Chico Ca / Weak shaking (MMI III) / horizontal (sideways) swinging / 1-2 s
Olivehurst, CA. / Very weak shaking (MMI II)
Orland / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Chico, Ca / not felt
Chico, ca / Strong shaking (MMI VI) / very short
Meadow Vista / Moderate shaking (MMI V) / horizontal (sideways) swinging / 5-10 s
Hamilton City / Weak shaking (MMI III) / horizontal (sideways) swinging / 5-10 s : !  
Yuba City / Weak shaking (MMI III) / vibration and rolling / 10-15 s
Chico CA 95926 / Light shaking (MMI IV) / rattling, vibrating / 1-2 s
gridley cal / Light shaking (MMI IV) / 2-5 s : heard a loud noise and thought a truck went by shaking the entire house.  
Colusa / not felt
Gridley / Light shaking (MMI IV) / 2-5 s : Woke me from a sleep. Sounded like a groan  
Butte City / Weak shaking (MMI III) / single vertical bump / very short
Applegate, ca / Very weak shaking (MMI II) / 5-10 s
Gridley, CA / Very weak shaking (MMI II) / single lateral shake / very short
Gridley / Very weak shaking (MMI II) / 1-2 s : I live in Gridley out in the country just came inside almost back to sleep when I felt two shakes  
Plumas Lake, CA / not felt
Gridley / Light shaking (MMI IV) / 2-5 s : Woke me from a sleep. Sounded like a groan  
Chico / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
Durham / Very weak shaking (MMI II) : The bed shook and woke me up.  
Live oak / Light shaking (MMI IV) : Also a boom  
Chico ca / Light shaking (MMI IV) / rattling, vibrating / 5-10 s
Live Oak CA / Light shaking (MMI IV) / single vertical bump / very short
oregon house / Weak shaking (MMI III) / very short
Chico California / Moderate shaking (MMI V) / single vertical bump / very short : Woke me from a sleep  
Foresthill ca / Light shaking (MMI IV) / very short : I FEEL THEM EVERY TIME IF I AM HOME , especially upstairs  
Willows, CA / not felt : Heard the dog barking but we did not feel it while laying in bed.  
Chici / Light shaking (MMI IV)
Chico / Light shaking (MMI IV) / 10-15 s
Biggs, CA / not felt / very short
Chico Ca / Weak shaking (MMI III) / rattling, vibrating / very short : Felt a few light shakes while in bed  
Colusa / Light shaking (MMI IV) / rattling, vibrating / 2-5 s
Nevada city ca / Light shaking (MMI IV)
Gridley, CA / Very weak shaking (MMI II) / 2-5 s
Gridley / Light shaking (MMI IV) / 2-5 s : Woke me from a sleep. Sounded like a groan  
Yuba City, Tierra Buena / Very weak shaking (MMI II)
camp Connell,ca / Very weak shaking (MMI II) / rattling, vibrating / 2-5 s
3432 Esplanade Chico CA 95973 / Very weak shaking (MMI II) : 3rd floor apt building. couch /furniture shift. Nothing on walls fell or moved.  
WEIMAR / Moderate shaking (MMI V) / rattling, vibrating / 2-5 s
Willows, CA / Very weak shaking (MMI II) / single vertical bump / very short
nevada city ca / Weak shaking (MMI III) / 1-2 s
Marysville, CA / Moderate shaking (MMI V) / single lateral shake / 1-2 s : I was already awake - felt jolt in bed  
Chico, CA / Light shaking (MMI IV) / 2-5 s
Live oak, CA / not felt / single vertical bump / very short
Chici / Light shaking (MMI IV)
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