Sismo muy débil mag. 1.8 - 3km SW of Cobb, CA, USA, Sunday, 21 Feb. 2021 -

Sismo muy débil mag. 1.8 - 3km SW of Cobb, CA, USA, Sunday, 21 Feb. 2021

Sismo muy débil magnitud 1.8 at 1 km depth

21 Feb 22:56 UTC: Primero en informar: USGS después de 2 minutos.
Fecha & hora: 21 Feb 2021 22:54:31 UTC -
Hora local al epicentro: Sunday, 21 Feb 2021 14:54 (GMT -8)
Magnitud: 1.8
Profundidad: 1.4 km
Epicentro latitud / longitud: 38.80267°N / 122.74067°W (Condado de Kern, Estados Unidos)
Volcán mas cercano: Clear Lake (19 km / 12 mi)
Nearby towns and cities:
3 km al SO de Cobb (pop: 1,780) --> ¡Vea sismos cercanos!
16 km al O de Hidden Valley Lake (pop: 5,580) --> ¡Vea sismos cercanos!
20 km al SSO de Clearlake (Lake County) (pop: 15,200) --> ¡Vea sismos cercanos!
21 km al SSE de Kelseyville (pop: 3,350) --> ¡Vea sismos cercanos!
24 km al E de Cloverdale (Sonoma County) (pop: 8,810) --> ¡Vea sismos cercanos!
24 km al NNE de Healdsburg (Sonoma County) (pop: 11,700) --> ¡Vea sismos cercanos!
24 km al NNE de Russian River (pop: 11,700) --> ¡Vea sismos cercanos!
29 km al NNE de Windsor (Sonoma County) (pop: 27,500) --> ¡Vea sismos cercanos!
40 km al N de Santa Rosa (pop: 175,000) --> ¡Vea sismos cercanos!
111 km al NO de Concord (pop: 128,700) --> ¡Vea sismos cercanos!
Weather at epicenter at time of quake:
Scattered Clouds 17°C (63 F), humidity: 47%, wind: 2 m/s (4 kts) from NNE
Fuente primaria de datos: USGS (United States Geological Survey)
Energía liberada estimada: 3.2 x 107 joules (8.78 kilowatt hours) More info
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!
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.
MagnitudProfundidadUbicaciónFuente
1.81.4 km3km SW of Cobb, 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 1.8, such a quake wouldn't normally be felt by people, but could be 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

Earlier earthquakes in the same area since 1900


Map of earlier quakes

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:
  • 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!
Copyrights: VolcanoDiscovery y otras fuentes como se ha señalado.
Uso de 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.