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 8:48:13 AM (PDT) on Wednesday, July 19, 2023.
The magnitude 1.0 event occurred 4 km (3 miles) NNW of The Geysers, CA.
The hypocentral depth is 0.02 km (0.0 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Wednesday, July 19, 2023 at 8:48:13 AM (PDT)
Wednesday, July 19, 2023 at 15:48:13 (UTC)
Distance from The Geysers, CA - 4 km (3 miles) NNW (340 degrees)
Cobb, CA - 4 km (3 miles) W (259 degrees)
Middletown, CA - 15 km (10 miles) WNW (297 degrees)
Lower Lake, CA - 18 km (11 miles) SW (233 degrees)
Kelseyville, CA - 19 km (12 miles) SSE (163 degrees)
Coordinates 38 deg. 48.9 min. N (38.814N), 122 deg. 46.4 min. W (122.774W)
Depth 0.02 km (0.0 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=0.6 km, Rmss=0.05 sec, Erho=0.33 km, Erzz=0.77 km, Gp=131 degrees
Event ID# nc73914601
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For more information, see https://earthquake.usgs.gov

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