Weak mag. 2.1 earthquake - Sonoma County, 3.6 mi southwest of Cobb, California, USA, on Friday, 21 August 2020 at 23:35 (GMT) -

Weak mag. 2.1 earthquake - Sonoma County, 3.6 mi southwest of Cobb, California, USA, on Friday, 21 August 2020 at 23:35 (GMT)

Weak magnitude 2.1 earthquake at 3 km depth

21 Aug 23:37 UTC: First to report: USGS after 2 minutes.
Date & time: 21 Aug 2020 23:35:47 UTC -
Magnitude: 2.1
Depth: 3.4 km
Epicenter latitude / longitude: 38.7905°N / 122.77567°W (Sonoma County, California, United States)
Nearest volcano: Clear Lake (20 km / 12 mi)
Nearby towns and cities:
6 km (4 mi) SW of Cobb (pop: 1,780) --> See nearby quakes!
19 km (12 mi) W of Hidden Valley Lake (pop: 5,580) --> See nearby quakes!
21 km (13 mi) E of Cloverdale (Sonoma County) (pop: 8,810) --> See nearby quakes!
22 km (13 mi) NNE of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
22 km (13 mi) NNE of Russian River (pop: 11,700) --> See nearby quakes!
22 km (13 mi) NNE of Russian River (pop: 11,700) --> See nearby quakes!
23 km (14 mi) SW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
27 km (17 mi) N of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
39 km (24 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
114 km (71 mi) WNW of Sacramento (pop: 490,700) --> See nearby quakes!
Primary data source: USGS (United States Geological Survey)
Estimated released energy: 8.9 x 107 joules (24.8 kilowatt hours) More info
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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.
MagnitudeDepthLocationSource
M 2.13.4 km2km NW of The Geysers, CA (USA)USGS
M 2.13 kmNorthern California (USA)EMSC

User reports for this quake

User reports estimate the perceived ground shaking intensity according to the MMI (Modified Mercalli Intensity) scale.
At magnitude 2.1, this quake was probably too small to be felt by humans, but it could be recorded instrumentally.
There are no user reports for this quake yet. If you felt it be the first to report it!
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Earlier earthquakes in the same area

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