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 6:03:10 PM (PDT) on Wednesday, August 6, 2025.
The magnitude 1.7 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.7 - duration magnitude (Md)
Time Wednesday, August 6, 2025 at 6:03:10 PM (PDT)
Thursday, August 7, 2025 at 1:03:10 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (319 degrees)
Cobb, CA - 7 km (5 miles) W (271 degrees)
Kelseyville, CA - 17 km (11 miles) S (171 degrees)
Cloverdale, CA - 18 km (11 miles) E (84 degrees)
Middletown, CA - 18 km (11 miles) WNW (295 degrees)
Coordinates 38 deg. 49.4 min. N (38.823N), 122 deg. 48.4 min. W (122.807W)
Depth 2.20 km (1.40 miles)
Quality Excellent
Location Quality Parameters Nst=37, Nph=37, Dmin=2.0 km, Rmss=0.05 sec, Erho=0.18 km, Erzz=0.319999993 km, Gp=36 degrees
Event ID# nc75220237
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For more information, see https://earthquake.usgs.gov

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