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 5:14:25 AM (PDT) on Saturday, September 11, 2021.
The magnitude 0.9 event occurred 6 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.9 - duration magnitude (Md)
Time Saturday, September 11, 2021 at 5:14:25 AM (PDT)
Saturday, September 11, 2021 at 12:14:25 (UTC)
Distance from Cobb, CA - 6 km (4 miles) WNW (285 degrees)
The Geysers, CA - 7 km (5 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. 50.2 min. N (38.837N), 122 deg. 47.5 min. W (122.792W)
Depth 1.76 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.2 km, Rmss=0.01 sec, Erho=0.46 km, Erzz=0.98 km, Gp=91 degrees
Event ID# nc73623581
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For more information, see https://earthquake.usgs.gov

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