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 5:24:23 AM (PDT) on Sunday, August 31, 2025.
The magnitude 0.8 event occurred 0 km (0 miles) SE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.8 - duration magnitude (Md)
Time Sunday, August 31, 2025 at 5:24:23 AM (PDT)
Sunday, August 31, 2025 at 12:24:23 (UTC)
Distance from The Geysers, CA - 0 km (0 miles) SE (137 degrees)
Cobb, CA - 6 km (4 miles) SSW (209 degrees)
Middletown, CA - 13 km (8 miles) WNW (283 degrees)
Hidden Valley Lake, CA - 17 km (11 miles) W (259 degrees)
Lower Lake, CA - 19 km (12 miles) SW (220 degrees)
Coordinates 38 deg. 46.6 min. N (38.777N), 122 deg. 45.4 min. W (122.756W)
Depth 1.20 km (0.70 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=1.1 km, Rmss=0.01 sec, Erho=0.31 km, Erzz=0.680000007 km, Gp=100 degrees
Event ID# nc75231217
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For more information, see https://earthquake.usgs.gov

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