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 6:30:40 AM (PDT) on Wednesday, July 30, 2025.
The magnitude 1.1 event occurred 5 km (3 miles) WNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.1 - duration magnitude (Md)
Time Wednesday, July 30, 2025 at 6:30:40 AM (PDT)
Wednesday, July 30, 2025 at 13:30:40 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) WNW (303 degrees)
Cobb, CA - 8 km (5 miles) WSW (254 degrees)
Cloverdale, CA - 18 km (11 miles) E (91 degrees)
Middletown, CA - 18 km (11 miles) WNW (289 degrees)
Kelseyville, CA - 20 km (12 miles) S (172 degrees)
Coordinates 38 deg. 48.2 min. N (38.803N), 122 deg. 48.5 min. W (122.809W)
Depth 1.48 km (0.90 miles)
Quality Excellent
Location Quality Parameters Nst=11, Nph=11, Dmin=1.3 km, Rmss=0.02 sec, Erho=0.3 km, Erzz=0.670000017 km, Gp=68 degrees
Event ID# nc75216922
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For more information, see https://earthquake.usgs.gov

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