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 6:17:54 PM (PDT) on Sunday, October 12, 2025.
The magnitude 1.2 event occurred 2 km (1 miles) NNW of Middletown, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.2 - duration magnitude (Md)
Time Sunday, October 12, 2025 at 6:17:54 PM (PDT)
Monday, October 13, 2025 at 1:17:54 (UTC)
Distance from Middletown, CA - 2 km (1 miles) NNW (334 degrees)
Hidden Valley Lake, CA - 7 km (5 miles) SW (232 degrees)
Cobb, CA - 11 km (7 miles) SE (125 degrees)
The Geysers, CA - 12 km (7 miles) E (96 degrees)
Lower Lake, CA - 16 km (10 miles) S (184 degrees)
Coordinates 38 deg. 46.0 min. N (38.767N), 122 deg. 37.5 min. W (122.624W)
Depth 6.78 km (4.20 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=9, Dmin=6.5 km, Rmss=0.05 sec, Erho=0.47 km, Erzz=1.24000001 km, Gp=95 degrees
Event ID# nc75248421
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