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 4:06:53 PM (PDT) on Tuesday, October 7, 2025.
The magnitude 0.8 event occurred 1 km (1 miles) WNW of The Geysers, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 0.8 - duration magnitude (Md)
Time Tuesday, October 7, 2025 at 4:06:53 PM (PDT)
Tuesday, October 7, 2025 at 23:06:53 (UTC)
Distance from The Geysers, CA - 1 km (1 miles) WNW (288 degrees)
Cobb, CA - 6 km (4 miles) SW (222 degrees)
Middletown, CA - 14 km (9 miles) WNW (283 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (261 degrees)
Lower Lake, CA - 20 km (12 miles) SW (224 degrees)
Coordinates 38 deg. 46.9 min. N (38.781N), 122 deg. 46.2 min. W (122.771W)
Depth 12.23 km (7.60 miles)
Quality Good
Location Quality Parameters Nst=8, Nph=7, Dmin=1.2 km, Rmss=0.05 sec, Erho=1.18 km, Erzz=0.579999983 km, Gp=112 degrees
Event ID# nc75246341
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