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 8:58:10 AM (PDT) on Wednesday, July 19, 2023.
The magnitude 0.9 event occurred 0 km (0 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.9 - duration magnitude (Md)
Time Wednesday, July 19, 2023 at 8:58:10 AM (PDT)
Wednesday, July 19, 2023 at 15:58:10 (UTC)
Distance from The Geysers, CA - 0 km (0 miles) NNW (328 degrees)
Cobb, CA - 6 km (4 miles) SSW (212 degrees)
Middletown, CA - 13 km (8 miles) WNW (284 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (260 degrees)
Lower Lake, CA - 19 km (12 miles) SW (221 degrees)
Coordinates 38 deg. 46.8 min. N (38.779N), 122 deg. 45.5 min. W (122.758W)
Depth 1.11 km (0.7 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=1.2 km, Rmss=0.01 sec, Erho=0.38 km, Erzz=0.67 km, Gp=121 degrees
Event ID# nc73914611
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For more information, see https://earthquake.usgs.gov

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