Sismo minore mag. 1.8 - 3km W of Anderson Springs, CA, USA, martedí, 09 febbraio 2021 -
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Sismo minore magnitudine 1.8 at 1 km depth
9 Feb 08:10 UTC: Primo a segnalare: USGS dopo 2 minuti.
Data & ora: 9 Feb 2021 08:08:29 UTC -
Ora locale a epicentro: Tuesday, 9 Feb 2021 00:08 (GMT -8)
Magnitudine: 1.8
Profondità: 1.4 km
Epicentro latitudine / longitudine: 38.77867°N / 122.721°W
(Contea di Kern, Stati Uniti)Vulcano più vicino: Clear Lake (22 km / 14 mi)
Nearby towns and cities:
5 km S da Cobb (pop: 1,780) --> Vedi sismi vicini
14 km OSO da Hidden Valley Lake (pop: 5,580) --> Vedi sismi vicini
22 km SSO da Clearlake (Lake County) (pop: 15,200) --> Vedi sismi vicini
23 km NE da Healdsburg (Sonoma County) (pop: 11,700) --> Vedi sismi vicini
23 km NE da Russian River (pop: 11,700) --> Vedi sismi vicini
27 km NNE da Windsor (Sonoma County) (pop: 27,500) --> Vedi sismi vicini
38 km N da Santa Rosa (pop: 175,000) --> Vedi sismi vicini
49 km N da Rohnert Park (pop: 42,400) --> Vedi sismi vicini
66 km NO da Napa (pop: 80,400) --> Vedi sismi vicini
107 km NO da Concord (pop: 128,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Overcast Clouds
9.8°C (50 F), humidity: 73%, wind: 1 m/s (1 kts) from ENE
Fonte dati primaria: USGS (United States Geological Survey)Overcast Clouds
9.8°C (50 F), humidity: 73%, wind: 1 m/s (1 kts) from ENEStima dell'energia sismica liberata: 3.2 x 107 joules (8.78 kilowatt hours) More info
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.
| Magnitudine | Profondità | Ubicazione | Fonte |
| 1.8 | 1.4 km | 3km W of Anderson Springs, CA, USA | USGS |
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.
