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 4:25:04 PM (PDT) on Thursday, August 21, 2025.
The magnitude 0.7 event occurred 6 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 0.7 - duration magnitude (Md)
Time Thursday, August 21, 2025 at 4:25:04 PM (PDT)
Thursday, August 21, 2025 at 23:25:04 (UTC)
Distance from The Geysers, CA - 6 km (4 miles) NNW (334 degrees)
Cobb, CA - 6 km (4 miles) W (277 degrees)
Kelseyville, CA - 17 km (11 miles) SSE (165 degrees)
Middletown, CA - 17 km (11 miles) WNW (299 degrees)
Lower Lake, CA - 18 km (11 miles) WSW (240 degrees)
Coordinates 38 deg. 49.7 min. N (38.829N), 122 deg. 47.3 min. W (122.789W)
Depth 1.67 km (1.00 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=1.9 km, Rmss=0.01 sec, Erho=0.38 km, Erzz=0.629999995 km, Gp=95 degrees
Event ID# nc75226912
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