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 7:37:00 AM (PDT) on Friday, August 1, 2025.
The magnitude 0.8 event occurred 2 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 2 miles).


Magnitude 0.8 - duration magnitude (Md)
Time Friday, August 1, 2025 at 7:37:00 AM (PDT)
Friday, August 1, 2025 at 14:37:00 (UTC)
Distance from The Geysers, CA - 2 km (1 miles) NW (311 degrees)
Cobb, CA - 6 km (4 miles) SW (226 degrees)
Middletown, CA - 14 km (9 miles) WNW (286 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (263 degrees)
Lower Lake, CA - 20 km (12 miles) SW (225 degrees)
Coordinates 38 deg. 47.2 min. N (38.787N), 122 deg. 46.2 min. W (122.771W)
Depth 2.36 km (1.50 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=8, Dmin=1.7 km, Rmss=0.02 sec, Erho=0.57 km, Erzz=1.11000001 km, Gp=106 degrees
Event ID# nc75217907
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