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 2:54:09 AM (PDT) on Thursday, July 22, 2021.
The magnitude 1.0 event occurred 7 km (5 miles) W of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - duration magnitude (Md)
Time Thursday, July 22, 2021 at 2:54:09 AM (PDT)
Thursday, July 22, 2021 at 9:54:09 (UTC)
Distance from Cobb, CA - 7 km (5 miles) W (281 degrees)
The Geysers, CA - 8 km (5 miles) NW (325 degrees)
Kelseyville, CA - 16 km (10 miles) S (170 degrees)
Cloverdale, CA - 18 km (11 miles) E (80 degrees)
Soda Bay, CA - 19 km (12 miles) S (185 degrees)
Coordinates 38 deg. 50.1 min. N (38.835N), 122 deg. 48.5 min. W (122.808W)
Depth 2.1 km (1.3 miles)
Quality Excellent
Location Quality Parameters Nst=10, Nph=10, Dmin=1.3 km, Rmss=0.01 sec, Erho=0.33 km, Erzz=0.97 km, Gp=58 degrees
Event ID# nc73597436
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