Mag. 2.4 earthquake - 3.2 mi south of Cobb, California, USA, on Sunday, 20 September 2020 at 01:48 (GMT) -
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Minor magnitude 2.4 earthquake at 3 km depth
20 Sep 01:50 UTC: First to report: USGS after 2 minutes.
Magnitude: 2.4
Depth: 2.5 km
Epicenter latitude / longitude: 38.77583°N / 122.71584°W

Nearest volcano: Clear Lake (22 km / 14 mi)
Nearby towns and cities:
5 km (3 mi) S of Cobb (pop: 1,780) --> See nearby quakes!
9 km (6 mi) WNW of Middletown (pop: 1,320) --> See nearby quakes!
22 km (13 mi) SSW of Clearlake (Lake County) (pop: 15,200) --> See nearby quakes!
23 km (14 mi) NE of Healdsburg (Sonoma County) (pop: 11,700) --> See nearby quakes!
25 km (15 mi) SSE of Kelseyville (pop: 3,350) --> See nearby quakes!
25 km (15 mi) NNW of Calistoga (Napa County) (pop: 5,330) --> See nearby quakes!
27 km (17 mi) NNE of Windsor (Sonoma County) (pop: 27,500) --> See nearby quakes!
37 km (23 mi) N of Santa Rosa (pop: 175,000) --> See nearby quakes!
3915 km (2433 mi) WNW of Washington (District of Columbia) (pop: 601,700) --> See nearby quakes!
3915 km (2433 mi) WNW of Washington DC (District of Columbia) (pop: 601,700) --> See nearby quakes!
Weather at epicenter at time of quake:
Scattered Clouds
26.7°C (80 F), humidity: 39%, wind: 2 km/h (1 kts) from WSW
Primary data source: USGS (United States Geological Survey)
Scattered Clouds

Estimated released energy: 2.5 x 108 joules (69.8 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.
Magnitude | Depth | Location | Source |
M 2.4 | 2.5 km | 2km W of Anderson Springs, CA, USA | USGS |
M 2.4 | 2 km | Northern 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 2.4, this quake might have been felt very close to the epicenter and under calm conditions.
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There are no user reports for this quake yet. If you felt it Earlier earthquakes in the same area
Mag. 2.4 earthquake - 3.2 mi south of Cobb, California, USA, on Sunday, 20 September 2020 at 01:48 (GMT)Click here to search our database for earlier earthquakes in the same area since 1900!