Recent Earthquakes in California and Nevada

== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California

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Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 5:58:54 PM (PDT) on Thursday, October 9, 2025.
The magnitude 0.6 event occurred 10 km (6 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).

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Magnitude	0.6 - duration magnitude (Md)
Time	Thursday, October 9, 2025 at 5:58:54 PM (PDT) Friday, October 10, 2025 at 0:58:54 (UTC)
Distance from	The Geysers, CA - 10 km (6 miles) WNW (288 degrees) Cloverdale, CA - 13 km (8 miles) E (90 degrees) Cobb, CA - 13 km (8 miles) W (262 degrees) Kelseyville, CA - 19 km (12 miles) S (187 degrees) Healdsburg, CA - 22 km (14 miles) N (0 degrees)
Coordinates	38 deg. 48.4 min. N (38.806N), 122 deg. 52.1 min. W (122.868W)
Depth	2.15 km (1.30 miles)
Quality	Excellent
Location Quality Parameters	Nst=35, Nph=38, Dmin=0.9 km, Rmss=0.05 sec, Erho=0.14 km, Erzz=0.21 km, Gp=50 degrees
Event ID#	nc75004293
Additional Information	Map

For more information, see https://earthquake.usgs.gov

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