Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 6:40:48 AM (PDT) on Thursday, September 9, 2021.
The magnitude 0.8 event occurred 6 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Thursday, September 9, 2021 at 6:40:48 AM (PDT)
Thursday, September 9, 2021 at 13:40:48 (UTC)
Distance from Cobb, CA - 6 km (4 miles) WNW (284 degrees)
The Geysers, CA - 7 km (4 miles) NNW (335 degrees)
Kelseyville, CA - 16 km (10 miles) SSE (165 degrees)
Soda Bay, CA - 18 km (11 miles) S (181 degrees)
Middletown, CA - 18 km (11 miles) WNW (301 degrees)
Coordinates 38 deg. 50.1 min. N (38.835N), 122 deg. 47.5 min. W (122.791W)
Depth 1.97 km (1.2 miles)
Quality Excellent
Location Quality Parameters Nst=19, Nph=19, Dmin=0.4 km, Rmss=0.02 sec, Erho=0.25 km, Erzz=0.44 km, Gp=89 degrees
Event ID# nc73622606
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For more information, see https://earthquake.usgs.gov

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