Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 7:06:49 PM (PDT) on Wednesday, October 8, 2025.
The magnitude 1.5 event occurred 27 km (16 miles) N of Shasta Lake, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Wednesday, October 8, 2025 at 7:06:49 PM (PDT)
Thursday, October 9, 2025 at 2:06:49 (UTC)
Distance from Shasta Lake, CA - 27 km (16 miles) N (359 degrees)
Central Valley (historical), CA - 27 km (16 miles) N (360 degrees)
Bella Vista, CA - 33 km (21 miles) NNW (339 degrees)
Dunsmuir, CA - 33 km (21 miles) SSW (195 degrees)
Shasta, CA - 37 km (23 miles) NNE (16 degrees)
Coordinates 40 deg. 55.2 min. N (40.919N), 122 deg. 22.4 min. W (122.374W)
Depth 12.32 km (7.70 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=17, Dmin=21.0 km, Rmss=0.11 sec, Erho=0.28 km, Erzz=1.77 km, Gp=79 degrees
Event ID# nc75246826
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