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 8:55:53 PM (PDT) on Thursday, October 9, 2025.
The magnitude 0.7 event occurred 1 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.7 - duration magnitude (Md)
Time Thursday, October 9, 2025 at 8:55:53 PM (PDT)
Friday, October 10, 2025 at 3:55:53 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) NW (324 degrees)
Cobb, CA - 5 km (3 miles) SW (224 degrees)
Middletown, CA - 14 km (8 miles) WNW (287 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (263 degrees)
Lower Lake, CA - 19 km (12 miles) SW (225 degrees)
Coordinates 38 deg. 47.2 min. N (38.787N), 122 deg. 45.9 min. W (122.766W)
Depth 2.85 km (1.80 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=1.9 km, Rmss=0.01 sec, Erho=0.44 km, Erzz=1.34000003 km, Gp=104 degrees
Event ID# nc75247191
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For more information, see https://earthquake.usgs.gov

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