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 9:11:16 PM (PDT) on Tuesday, August 19, 2025.
The magnitude 0.3 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.3 - duration magnitude (Md)
Time Tuesday, August 19, 2025 at 9:11:16 PM (PDT)
Wednesday, August 20, 2025 at 4:11:16 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (315 degrees)
Cobb, CA - 8 km (5 miles) W (269 degrees)
Cloverdale, CA - 18 km (11 miles) E (85 degrees)
Kelseyville, CA - 18 km (11 miles) S (172 degrees)
Middletown, CA - 19 km (12 miles) WNW (294 degrees)
Coordinates 38 deg. 49.2 min. N (38.821N), 122 deg. 48.7 min. W (122.811W)
Depth 3.45 km (2.10 miles)
Quality Excellent
Location Quality Parameters Nst=10, Nph=10, Dmin=0.3 km, Rmss=0.07 sec, Erho=0.56 km, Erzz=1.16999996 km, Gp=84 degrees
Event ID# nc75226122
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For more information, see https://earthquake.usgs.gov

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