Sismo minore mag. 1.8 - 8km WNW of Cobb, CA, USA, giovedí, 28 gennaio 2021 -
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Sismo minore magnitudine 1.8 at 1 km depth
28 Jan 04:11 UTC: Primo a segnalare: USGS dopo 2 minuti.
Data & ora: 28 Jan 2021 04:09:40 UTC -
Ora locale a epicentro: Wednesday, 27 Jan 2021 20:09 (GMT -8)
Magnitudine: 1.8
Profondità: 1.0 km
Epicentro latitudine / longitudine: 38.855°N / 122.80133°W

Vulcano più vicino: Clear Lake (13 km / 8 mi)
Nearby towns and cities:
8 km ONO da Cobb (pop: 1,780) --> Vedi sismi vicini
14 km SSE da Kelseyville (pop: 3,350) --> Vedi sismi vicini
19 km SO da Clearlake (Lake County) (pop: 15,200) --> Vedi sismi vicini
20 km ENE da Cloverdale (Sonoma County) (pop: 8,810) --> Vedi sismi vicini
22 km ONO da Hidden Valley Lake (pop: 5,580) --> Vedi sismi vicini
34 km N da Windsor (Sonoma County) (pop: 27,500) --> Vedi sismi vicini
47 km N da Santa Rosa (pop: 175,000) --> Vedi sismi vicini
77 km NO da Napa (pop: 80,400) --> Vedi sismi vicini
90 km NO da Vacaville (pop: 96,800) --> Vedi sismi vicini
118 km NO da Concord (pop: 128,700) --> Vedi sismi vicini
Weather at epicenter at time of quake:
Broken Clouds
5.8°C (42 F), humidity: 91%, wind: 2 m/s (3 kts) from E
Fonte dati primaria: USGS (United States Geological Survey)Broken Clouds

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 | 1 km | 8km WNW of Cobb, 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.