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 10:05:47 AM (PDT) on Friday, August 1, 2025.
The magnitude 1.0 event occurred 3 km (2 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Friday, August 1, 2025 at 10:05:47 AM (PDT)
Friday, August 1, 2025 at 17:05:47 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NW (324 degrees)
Cobb, CA - 5 km (3 miles) WSW (241 degrees)
Middletown, CA - 15 km (9 miles) WNW (290 degrees)
Lower Lake, CA - 19 km (12 miles) SW (229 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (267 degrees)
Coordinates 38 deg. 48.0 min. N (38.799N), 122 deg. 46.6 min. W (122.777W)
Depth 3.31 km (2.10 miles)
Quality Excellent
Location Quality Parameters Nst=16, Nph=16, Dmin=1.2 km, Rmss=0.01 sec, Erho=0.28 km, Erzz=0.620000005 km, Gp=69 degrees
Event ID# nc75217947
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For more information, see https://earthquake.usgs.gov

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