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 4:00:32 PM (PDT) on Thursday, July 20, 2023.
The magnitude 0.3 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.3 - duration magnitude (Md)
Time Thursday, July 20, 2023 at 4:00:32 PM (PDT)
Thursday, July 20, 2023 at 23:00:32 (UTC)
Distance from The Geysers, CA - 8 km (5 miles) NW (320 degrees)
Cobb, CA - 8 km (5 miles) W (278 degrees)
Kelseyville, CA - 16 km (10 miles) S (173 degrees)
Cloverdale, CA - 18 km (11 miles) E (80 degrees)
Soda Bay, CA - 19 km (12 miles) S (187 degrees)
Coordinates 38 deg. 49.9 min. N (38.832N), 122 deg. 48.9 min. W (122.815W)
Depth 1.62 km (1.0 miles)
Quality Excellent
Location Quality Parameters Nst=9, Nph=9, Dmin=1.0 km, Rmss=0.01 sec, Erho=0.37 km, Erzz=1.05 km, Gp=76 degrees
Event ID# nc73915051
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