Light mag. 2.9 earthquake - 4.6 mi southwest of Napa, California, USA, on Friday, 21 August 2020 at 00:05 (GMT) -

Light mag. 2.9 earthquake - 4.6 mi southwest of Napa, California, USA, on Friday, 21 August 2020 at 00:05 (GMT)

Séisme faible magnitude 2.9 at 0 km depth

21 Aug 00:08 UTC: Premier à signaler: USGS après 2 minutes.
Date & time: 21 Aug 2020 00:05:49 UTC -
Magnitude: 2.9
Profondeur: 0.3 km
Epicenter latitude / longitude: 38.2445°N / 122.338°W (Comté de Napa, Comté de Kern, États-Unis)
Volcan le plus près: Clear Lake (89 km / 55 mi)
Nearby towns and cities:
7 km SO de Napa (pop: 80,400) --> Voir les séismes à proximité!
10 km NO de American Canyon (pop: 20,600) --> Voir les séismes à proximité!
17 km NNO de Vallejo (pop: 121,300) --> Voir les séismes à proximité!
25 km NE de Novato (pop: 55,500) --> Voir les séismes à proximité!
26 km O de Fairfield (pop: 113,000) --> Voir les séismes à proximité!
26 km E de Petaluma (pop: 60,400) --> Voir les séismes à proximité!
33 km OSO de Vacaville (pop: 96,800) --> Voir les séismes à proximité!
34 km N de Richmond (pop: 109,700) --> Voir les séismes à proximité!
53 km N de San Francisco (pop: 864,800) --> Voir les séismes à proximité!
83 km OSO de Sacramento (pop: 490,700) --> Voir les séismes à proximité!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 1.4 x 109 joules (392 kilowatt hours, equivalent to 0.338 tons of TNT) Plus d'infos
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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.
MagnitudeProfondeurLieuSource
2.90.3 km7km SW of Napa, CA (USA)USGS
2.9kmNorthern California (USA)EMSC

User reports for this quake (2)

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.9, this quake might have been felt very close to the epicenter and under calm conditions.
56.4 km S of epicenter [Map] / Very weak shaking (MMI II)
San Ramon / Light shaking (MMI IV)
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Earlier earthquakes in the same area

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