Strong mag. 5.1 earthquake - Sonoma County, 6.3 mi west of Cobb, Lake County, California, USA, on Wednesday, December 14, 2016 at 16:41 (GMT)

Strong mag. 5.1 earthquake - Sonoma County, 6.3 mi west of Cobb, Lake County, California, USA, on Wednesday, December 14, 2016 at 16:41 (GMT)

Strong magnitude 5.1 earthquake at 1 km depth

14 Dec 16:45 UTC: First to report: EMSC after 5 minutes.
Dec 14 16:47: Magnitude recalculated from 4.7 to 5.0.
Dec 14 19:06: Magnitude recalculated from 5.0 to 5.1.
Date & time: Dec 14, 2016 16:41:05 UTC
Magnitude: 5.1
Depth: 1.0 km
Epicenter latitude / longitude: 38.82°N / 122.84°W (Sonoma, California, United States)
Antipode: 38.82°S / 57.16°E
Nearest volcano: Clear Lake (18 km / 11 mi)
Nearby towns and cities:
15 km (10 mi) E of Cloverdale (Sonoma County) (pop: 8,810) --> See nearby quakes!
24 km (15 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
30 km (19 mi) N of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
44 km (27 mi) NNW of Santa Rosa (pop: 175,000) --> See nearby quakes!
49 km (30 mi) SE of Ukiah (pop: 15,900) --> See nearby quakes!
55 km (34 mi) NNW of Rohnert Park (pop: 42,400) --> See nearby quakes!
76 km (47 mi) NW of Napa (pop: 80,400) --> See nearby quakes!
120 km (74 mi) WNW of Sacramento (pop: 490,700) --> See nearby quakes!
122 km (76 mi) NNW of San Francisco (pop: 864,800) --> See nearby quakes!
184 km (115 mi) NNW of San Jose (pop: 1,026,900) --> See nearby quakes!
Primary data source: EMSC (European-Mediterranean Seismological Centre)
Estimated released energy: 2.8 x 1012 joules (783 megawatt hours, equivalent to 674 tons of TNT) | about seismic energy
Show interactive Map
[smaller] [bigger]
If you felt this quake (or if you were near the epicenter), please share your experience and submit a short "I felt it" report! Other users would love to hear about it!
If you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable to earthquake science, seismic hazard analysis and mitigation efforts. You can use your device location or the map to indicate where you were during the earthquake. Thank you!

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.DepthLocationSource
5.11 km NORTHERN CALIFORNIAEMSC
5.01.5 km- 8km NW of The Geysers, CaliforniaUSGS
5.110 kmNear Coast of N. CaliforniaGFZ
shake map
(shakemap: USGS)

User reports for this quake (40)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
Contribute:
Leave a comment if you find a particular report interesting or want to add to it.
Flag as inappropriate.
Mark as helpful or interesting.
Send your own user report!
Translate
Royersford / Weak shaking (MMI III)
livermore, ca / not felt : Didn't feel a damn thing in the east bay... damn.  
Fontana, San Bernardino, California (710.2 km SE of epicenter) [Map] / not felt : Didnt feel it (reported through our app)  
Pine Mountain (13.6 km W of epicenter) [Map] / Light shaking (MMI IV) : I felt the ground lift under my feet while outside on dirt road.  
clear lake ca / Light shaking (MMI IV) : First sounded knocking on glass door then entire trailer swayed while shaking lasted appr.8-10 sec  
Calistoga, Napa (34.9 km SE of epicenter) [Map] / Light shaking (MMI IV) (reported through our app)
Lakeport,California (26.3 km NNW of epicenter) [Map] / Strong shaking (MMI VI) : Rocked my travel trailer pretty good. (reported through our app)  
Gilroy (224.6 km SSE of epicenter) [Map] / not felt : Did not feel it but, dogs in neighborhood were barking (reported through our app)  
Kelseyville / Light shaking (MMI IV) : Mild shake  
Santa Rosa, Sonoma, California (39.2 km SSE of epicenter) [Map] / Weak shaking (MMI III)
Cloverdale / Light shaking (MMI IV) : House gently rocked back and forth  
Napa (United States, 73 km SE of epicenter) : Adding to previous noteIt was a long rolling floating sensation quake (reported through EMSC)  
San Francisco (United States, 128 km S of epicenter) : I felt dizzy - speaker dropped - lost balance - felt vibration in ground. (reported through EMSC)  
San Francisco (United States, 122 km S of epicenter) : I was at work on the 11th floor SF office building on Market St. (reported through EMSC)  
Santa Rosa (United States, 44 km S of epicenter) : Very slow swaying and seemed to last a long time. (reported through EMSC)  
Santa Rosa (United States, 44 km S of epicenter) : Several people had felt it when I arrived at the office, but many did not. Everyone who felt it said it was a rolling wave. (reported through EMSC)  
Fulton (United States, 37 km S of epicenter) : Long slow rolling motion. Dogs slept thru it! (reported through EMSC)  
Cloverdale (United States, 15 km W of epicenter) : Being the Holiday Seasons. Our Christmas tree swayed and ornaments fell to the floor. Outside my hanging plants swayed. Both my pets a boxer and a cat alerted they looked puzzled. I must say my heart rate went up. It felt as if the earth quake was really (reported through EMSC)  
Santa Rosa (United States, 44 km S of epicenter) : I was sitting in car outside. Gentle rolling. (reported through EMSC)  
Healdsburg (United States, 23 km S of epicenter) : No (reported through EMSC)  
Kelseyville (United States, 18 km N of epicenter) : It was the biggest I have ever felt. Lasted several seconds. Almost long enough to get worried. (reported through EMSC)  
Cloverdale (United States, 15 km W of epicenter) : It was a rolling feeling as if on water. It was one of the longest lasting I have ever felt. Long enough for me to realize it was a quake and go outside and it was still rolling at that point. (reported through EMSC)  
San Francisco (United States, 122 km S of epicenter) : Swaying was orginally in east/west direction but became north/south. 5-10 seconds swaying (reported through EMSC)  
San Francisco (United States, 120 km S of epicenter) : Gentle rocking feeling (reported through EMSC)  
Napa (United States, 75 km SE of epicenter) : Rolling. Very light. 10 seconds. (reported through EMSC)  
Sea Ranch (United States, 53 km W of epicenter) : Windows shook. Shook me awake in bed. (reported through EMSC)  
Ukiah (United States, 49 km NW of epicenter) : Sitting in my car, I felt it shake side to side and one up and down roll. (reported through EMSC)  
Ukiah (United States, 49 km NW of epicenter) : Felt initial jolt, and desk was swaying motion, everyone in our office felt it and felt slightly dizzy. Lasted a couple of seconds. I was on the phone with another coworker in another part of the building, and he also felt. (reported through EMSC)  
Santa Rosa (United States, 44 km S of epicenter) : I heard the window blinds gently hit the windows. I was seated and felt a mild swaying motion. I'm not sure how long it lasted, maybe 10-15 seconds. (reported through EMSC)  
Santa Rosa (United States, 44 km S of epicenter) : a little rolling around this morning. (reported through EMSC)  
Angwin (United States, 43 km SE of epicenter) : Lasted a few seconds. (reported through EMSC)  
Show more
Show more
Volcanoes & Earthquakes - new app for Android

Aftershocks

[More info]

Recorded aftershocks, latest first (65 quakes)

Date and timeMag
Depth
LocationDetails
Feb 11, 2017 18:04
5 years ago
2.1

3 km
Sonoma County, 5.2 mi SW of Cobb, Lake County, California, USAMore
Feb 10, 2017 18:40
5 years ago
2.7

0 km
15 mi N of Windsor, Sonoma County, California, USAMore
Feb 10, 2017 07:11
5 years ago
2.3

2 km
Sonoma County, 4.1 mi W of Cobb, Lake County, California, USAMore
Feb 10, 2017 03:39
5 years ago
2.4

1.1 km
6km NW of The Geysers, CaliforniaMore
Feb 9, 2017 06:10
5 years ago
2.0

1 km
2.7 mi SW of Cobb, Lake County, California, USAMore
Feb 8, 2017 02:00
5 years ago
2.4

1 km
2.9 mi S of Cobb, Lake County, California, USAMore
Feb 7, 2017 07:39
5 years ago
3.3

1 km
Sonoma County, 3.9 mi SW of Cobb, Lake County, California, USAMore
Feb 7, 2017 00:28
5 years ago
2.2

3 km
3.6 mi W of Cobb, Lake County, California, USAMore
Feb 6, 2017 16:09
5 years ago
2.4

2 km
12 mi N of Windsor, Sonoma County, California, USAMore
Feb 4, 2017 04:06
5 years ago
2.2

0 km
5 mi S of Cobb, Lake County, California, USAMore
Feb 2, 2017 23:09
5 years ago
2.1

1.4 km
3km NNW of The Geysers, CaliforniaMore
Feb 2, 2017 03:21
5 years ago
2.4

2 km
Lake County, 15 mi N of Windsor, Sonoma County, California, USAMore
Feb 1, 2017 16:21
5 years ago
2.0

2 km
Sonoma County, 4.3 mi S of Cobb, Lake County, California, USAMore
Feb 1, 2017 14:19
5 years ago
2.3

1.9 km
2km SSW of Cobb, CaliforniaMore
Feb 1, 2017 07:29
5 years ago
2.1

3 km
Sonoma County, 4.7 mi W of Cobb, Lake County, California, USAMore
Feb 1, 2017 02:32
5 years ago
2.3

3 km
Sonoma County, 4.7 mi W of Cobb, Lake County, California, USAMore
Feb 1, 2017 00:39
5 years ago
2.1

2 km
Sonoma County, 5.3 mi W of Cobb, Lake County, California, USAMore
Jan 31, 2017 06:10
5 years ago
2.3

2 km
Sonoma County, 5.3 mi W of Cobb, Lake County, California, USAMore
Jan 31, 2017 05:16
5 years ago
2.0

2 km
8km NW of The Geysers, CaliforniaMore
Jan 31, 2017 05:12
5 years ago
2.0

1.7 km
8km NW of The Geysers, CaliforniaMore
Jan 31, 2017 05:08
5 years ago
2.3

2 km
Sonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Jan 31, 2017 03:44
5 years ago
2.1

1 km
Sonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Jan 29, 2017 10:15
5 years ago
2.2

3 km
Sonoma County, 4.8 mi W of Cobb, Lake County, California, USAMore
Jan 29, 2017 01:59
5 years ago
2.1

0.5 km
4km NW of The Geysers, CaliforniaMore
Jan 29, 2017 01:54
5 years ago
2.9

0 km
3.7 mi W of Cobb, Lake County, California, USAMore
Jan 27, 2017 19:29
5 years ago
2.2

2 km
2.6 mi W of Cobb, Lake County, California, USAMore
Jan 27, 2017 19:08
5 years ago
2.4

3.2 km
1km E of The Geysers, CaliforniaMore
Jan 27, 2017 19:08
5 years ago
3.9

2.7 km
2.7 mi SW of Cobb, Lake County, California, USAMore
Jan 24, 2017 07:59
5 years ago
2.0

2 km
9km WNW of Cobb, CaliforniaMore
Jan 23, 2017 18:01
5 years ago
2.5

2 km
Sonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Jan 23, 2017 16:30
5 years ago
2.5

2 km
Sonoma County, 4.7 mi W of Cobb, Lake County, California, USAMore
Jan 23, 2017 12:58
5 years ago
2.4

2 km
Sonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Jan 22, 2017 22:43
5 years ago
2.0

3 km
Sonoma County, 4.7 mi W of Cobb, Lake County, California, USAMore
Jan 21, 2017 15:34
5 years ago
2.3

0 km
4.7 mi W of Cobb, Lake County, California, USAMore
Jan 21, 2017 08:16
5 years ago
2.8

2 km
4.7 mi W of Cobb, Lake County, California, USAMore
Jan 18, 2017 20:42
5 years ago
2.3

2 km
Sonoma County, 4.2 mi W of Cobb, Lake County, California, USAMore
Jan 16, 2017 22:58
5 years ago
2.4

1 km
3.3 mi W of Cobb, Lake County, California, USAMore
Jan 16, 2017 13:35
5 years ago
2.9

1 km
3 mi SW of Cobb, Lake County, California, USAMore
Jan 15, 2017 23:18
5 years ago
2.1

3.5 km
2km WNW of Middletown, CaliforniaMore
Jan 14, 2017 22:19
5 years ago
2.3

2 km
Sonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Jan 14, 2017 14:23
5 years ago
2.1

1.7 km
1km NNW of The Geysers, CaliforniaMore
Jan 14, 2017 09:40
5 years ago
2.0

1.1 km
3km E of The Geysers, CaliforniaMore
Jan 12, 2017 12:55
5 years ago
2.2

1 km
Sonoma County, 4.8 mi W of Cobb, Lake County, California, USAMore
Jan 10, 2017 21:59
5 years ago
2.1

1 km
Mendocino County, 13 mi SW of Clearlake, Lake County, California, USAMore
Jan 9, 2017 09:17
5 years ago
2.2

0.8 km
2km NNE of The Geysers, CaliforniaMore
Jan 5, 2017 10:28
5 years ago
2.3

2 km
Sonoma County, 2.5 mi SW of Cobb, Lake County, California, USAMore
Jan 5, 2017 05:51
5 years ago
2.1

1.6 km
7km WNW of Cobb, CaliforniaMore
Jan 4, 2017 21:49
5 years ago
2.0

1.9 km
8km NW of The Geysers, CaliforniaMore
Jan 4, 2017 10:15
5 years ago
2.1

2 km
4.3 mi S of Cobb, Lake County, California, USAMore
Jan 2, 2017 23:19
5 years ago
2.1

2 km
6km WNW of The Geysers, CaliforniaMore
Jan 1, 2017 13:46
5 years ago
2.0

0.1 km
4km W of Cobb, CaliforniaMore
Dec 30, 2016 23:39
5 years ago
2.0

2.7 km
1km NW of The Geysers, CaliforniaMore
Dec 30, 2016 03:43
5 years ago
2.3

17 km
8km WNW of Cobb, CaliforniaMore
Dec 29, 2016 06:58
5 years ago
2.2

0 km
3 mi SW of Cobb, Lake County, California, USAMore
Dec 29, 2016 04:26
5 years ago
2.0

2 km
12 mi SW of Clearlake, Lake County, California, USAMore
Dec 22, 2016 17:26
5 years ago
2.2

2 km
2.8 mi NW of Cobb, Lake County, California, USAMore
Dec 22, 2016 10:27
5 years ago
2.2

6 km
11 mi N of Windsor, Sonoma County, California, USAMore
Dec 19, 2016 14:52
5 years ago
2.0

4 km
Sonoma County, 5.1 mi SW of Cobb, Lake County, California, USAMore
Dec 19, 2016 01:36
5 years ago
2.0

5 km
Sonoma County, 4.7 mi W of Cobb, Lake County, California, USAMore
Dec 17, 2016 19:09
5 years ago
2.9

1 km
3.3 mi W of Cobb, Lake County, California, USAMore
Dec 16, 2016 05:39
5 years ago
2.6

2 km
4.3 mi S of Cobb, Lake County, California, USAMore
Dec 14, 2016 20:46
5 years ago
2.2

1 km
13 mi SW of Clearlake, Lake County, California, USAMore
Dec 14, 2016 19:24
5 years ago
2.6

0 km
Sonoma County, 15 mi SW of Clearlake, Lake County, California, USAMore
Dec 14, 2016 18:16
5 years ago
2.4

2 km
Sonoma County, 14 mi SW of Clearlake, Lake County, California, USAMore
Dec 14, 2016 16:46
5 years ago
3.0

2 km
Sonoma County, 6.4 mi W of Cobb, Lake County, California, USAMore
Show all

Earlier earthquakes in the same area

Try our free app!
Volcanoes & Earthquakes - new app for Android
Android | iOS version
Why is there advertising on this site?
Support us - Help us upgrade our services!
We truly love working to bring you the latest volcano and earthquake data from around the world. Maintaining our website and our free apps does require, however, considerable time and resources.
We need financing to increase hard- and software capacity as well as support our editor team. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features, write great content, and in upgrading our soft- and hardware, please make a donation (PayPal or Online credit card payment).

Planned features:
  • Improved multilanguage support
  • Tsunami alerts
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Detailed quake stats
  • Additional seismic data sources
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you!
Copyrights: VolcanoDiscovery and other sources as noted.
Use of material: Most texts and images, in particular photographs, on this website are protected by copyright. Further reproduction and use of without authorization is usually not consented. If you are not sure or need licensing rights for photographs, for example for publications and commercial use, please contact us.