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 4:54:48 AM (PDT) on Wednesday, August 6, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 1.4 - duration magnitude (Md)
Time Wednesday, August 6, 2025 at 4:54:48 AM (PDT)
Wednesday, August 6, 2025 at 11:54:48 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) ESE (120 degrees)
Cobb, CA - 7 km (4 miles) S (182 degrees)
Middletown, CA - 10 km (6 miles) W (277 degrees)
Hidden Valley Lake, CA - 15 km (10 miles) WSW (251 degrees)
Lower Lake, CA - 19 km (12 miles) SSW (211 degrees)
Coordinates 38 deg. 45.8 min. N (38.763N), 122 deg. 43.5 min. W (122.726W)
Depth 0.92 km (0.60 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=0.2 km, Rmss=0.01 sec, Erho=0.66 km, Erzz=0.800000012 km, Gp=99 degrees
Event ID# nc75220022
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For more information, see https://earthquake.usgs.gov

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