Sismo minore mag. 1.8 - 6km WNW of The Geysers, CA, USA, venerdí, 05 febbraio 2021 -
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Sismo minore magnitudine 1.8 at 3 km depth
5 Feb 01:14 UTC: Primo a segnalare: USGS dopo 3 minuti.
Data & ora: 5 Feb 2021 01:11:23 UTC -
Ora locale a epicentro: Thursday, 4 Feb 2021 17:11 (GMT -8)
Magnitudine: 1.8
Profondità: 3.1 km
Epicentro latitudine / longitudine: 38.808°N / 122.82°W

Vulcano più vicino: Clear Lake (19 km / 12 mi)
Nearby towns and cities:
9 km O da Cobb (pop: 1,780) --> Vedi sismi vicini
17 km E da Cloverdale (Sonoma County) (pop: 8,810) --> Vedi sismi vicini
19 km S da Kelseyville (pop: 3,350) --> Vedi sismi vicini
22 km N da Healdsburg (Sonoma County) (pop: 11,700) --> Vedi sismi vicini
22 km N da Russian River (pop: 11,700) --> Vedi sismi vicini
23 km O da Hidden Valley Lake (pop: 5,580) --> Vedi sismi vicini
24 km SO da Clearlake (Lake County) (pop: 15,200) --> Vedi sismi vicini
29 km N da Windsor (Sonoma County) (pop: 27,500) --> Vedi sismi vicini
42 km NNO da Santa Rosa (pop: 175,000) --> Vedi sismi vicini
115 km NO da Concord (pop: 128,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Clear Sky
14.2°C (58 F), humidity: 44%, wind: 2 m/s (4 kts) from S
Fonte dati primaria: USGS (United States Geological Survey)Clear Sky

Stima 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 | 3.1 km | 6km WNW of The Geysers, 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.