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 4:57:55 AM (PDT) on Sunday, August 3, 2025.
The magnitude 1.2 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Sunday, August 3, 2025 at 4:57:55 AM (PDT)
Sunday, August 3, 2025 at 11:57:55 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) NW (319 degrees)
Cobb, CA - 7 km (4 miles) W (269 degrees)
Kelseyville, CA - 18 km (11 miles) S (170 degrees)
Middletown, CA - 18 km (11 miles) WNW (295 degrees)
Cloverdale, CA - 19 km (12 miles) E (85 degrees)
Coordinates 38 deg. 49.2 min. N (38.821N), 122 deg. 48.3 min. W (122.804W)
Depth 2.53 km (1.60 miles)
Quality Excellent
Location Quality Parameters Nst=25, Nph=25, Dmin=0.6 km, Rmss=0.01 sec, Erho=0.2 km, Erzz=0.419999987 km, Gp=35 degrees
Event ID# nc75218602
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For more information, see https://earthquake.usgs.gov

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