Mag. 0.9 earthquake - Sonoma County, 5.8 mi west of Cobb, Lake County, California, USA, on 3 Oct 1:16 am (GMT -7) -

Mag. 0.9 earthquake - Sonoma County, 5.8 mi west of Cobb, Lake County, California, USA, on 3 Oct 1:16 am (GMT -7)

Minor magnitude 0.9 earthquake at 2 km depth

3 Oct 08:19 UTC: First to report: USGS after 3 minutes.
Date & time: 3 Oct 2020 08:16:53 UTC -
Local time at epicenter: 3 Oct 1:16 am (GMT -7)
Magnitude: 0.9
Depth: 2.0 km
Epicenter latitude / longitude: 38.825°N / 122.82983°W (Sonoma County, California, United States)
Nearest volcano: Clear Lake (17 km / 11 mi)
Nearby towns and cities:
9 km (6 mi) W of Cobb (pop: 1,780) --> See nearby quakes!
16 km (10 mi) E of Cloverdale (Sonoma County) (pop: 8,810) --> See nearby quakes!
17 km (11 mi) S of Kelseyville (pop: 3,350) --> See nearby quakes!
23 km (14 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
24 km (15 mi) W of Hidden Valley Lake (pop: 5,580) --> See nearby quakes!
24 km (15 mi) N of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
31 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!
3923 km (2438 mi) WNW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
3923 km (2438 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Clear Sky 20.8°C (69 F), humidity: 39%, wind: 2 m/s (3 kts) from E
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 106 joules (0.392 kilowatt hours) More info
[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!
Also if you did NOT feel the quake although you were in the area, please report it! Your contribution is valuable also to earthquake science and earthquake 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.
MagnitudeDepthLocationSource
M 0.92 km8km NW of The Geysers, CA, USAUSGS

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 0.9, this quake was too small to be felt by humans, but it was recorded instrumentally.
There are no user reports for this quake yet. If you felt it be the first to report it!
Volcanoes & Earthquakes - new app for Android
to top

Earlier earthquakes in the same area

Mag. 0.9 earthquake - Sonoma County, 5.8 mi west of Cobb, Lake County, California, USA, on 3 Oct 1:16 am (GMT -7)
Volcanoes & Earthquakes - new app for Android
to top
Why is there advertising on this site?

Support us - Help us upgrade our server!

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.
Our server is reaching its limits and we need financing to increase capacity in order to deal with huge activity peaks when quakes occur. We're aiming to achieve uninterrupted service wherever an earthquake or volcano eruption unfolds, and your donations can make it happen! Every penny counts and every donation will be highly appreciated. If you find the information useful and would like to support our team in integrating further features and in upgrading our software, please make a donation (PayPal or Online cc payment).

Planned features:
  • Weather reports
  • Tsunami alerts
  • Design upgrades
  • Faster responsiveness
Thanks to your past donations, these features have been added recently:
  • Earthquake archive from 1900 onwards
  • Additional seismic data sources
  • Improved content in English
Download and Upgrade the Volcanoes & Earthquakes app to get one of the fastest seismic and volcano alerts online:
Android | IOS
Thank you! With best regards from the VolcanoDiscovery team.
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.