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 12:22:20 PM (PDT) on Thursday, July 20, 2023.
The magnitude 0.9 event occurred 9 km (6 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.9 - duration magnitude (Md)
Time Thursday, July 20, 2023 at 12:22:20 PM (PDT)
Thursday, July 20, 2023 at 19:22:20 (UTC)
Distance from The Geysers, CA - 9 km (6 miles) NW (321 degrees)
Cobb, CA - 9 km (6 miles) WNW (285 degrees)
Kelseyville, CA - 15 km (9 miles) S (175 degrees)
Cloverdale, CA - 17 km (11 miles) ENE (76 degrees)
Soda Bay, CA - 18 km (11 miles) S (190 degrees)
Coordinates 38 deg. 50.6 min. N (38.843N), 122 deg. 49.5 min. W (122.825W)
Depth 1.71 km (1.1 miles)
Quality Good
Location Quality Parameters Nst=14, Nph=14, Dmin=1.0 km, Rmss=0.01 sec, Erho=0.29 km, Erzz=0.6 km, Gp=95 degrees
Event ID# nc73915021
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For more information, see https://earthquake.usgs.gov

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