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 11:06:55 AM (PDT) on Sunday, August 10, 2025.
The magnitude 1.5 event occurred 6 km (4 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Sunday, August 10, 2025 at 11:06:55 AM (PDT)
Sunday, August 10, 2025 at 18:06:55 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) ESE (114 degrees)
Middletown, CA - 7 km (4 miles) W (272 degrees)
Cobb, CA - 8 km (5 miles) SSE (160 degrees)
Hidden Valley Lake, CA - 13 km (8 miles) WSW (243 degrees)
Lower Lake, CA - 19 km (12 miles) SSW (202 degrees)
Coordinates 38 deg. 45.3 min. N (38.755N), 122 deg. 41.5 min. W (122.692W)
Depth 0.77 km (0.50 miles)
Quality Excellent
Location Quality Parameters Nst=11, Nph=11, Dmin=1.6 km, Rmss=0.02 sec, Erho=0.25 km, Erzz=0.529999971 km, Gp=89 degrees
Event ID# nc75221467
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