Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #3: 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 4:08:33 PM (PST) on Wednesday, December 10, 2025.
The magnitude 1.0 event occurred 7 km (4 miles) SSE of Porterville, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Wednesday, December 10, 2025 at 4:08:33 PM (PST)
Thursday, December 11, 2025 at 0:08:33 (UTC)
Distance from Porterville, CA - 7 km (4 miles) SSE (147 degrees)
Poplar-Cotton Center, CA - 17 km (10 miles) ESE (107 degrees)
Woodville, CA - 22 km (14 miles) ESE (114 degrees)
Lindsay, CA - 24 km (15 miles) SSE (154 degrees)
Pixley, CA - 29 km (18 miles) E (80 degrees)
Coordinates 36 deg. 0.8 min. N (36.013N), 118 deg. 58.4 min. W (118.974W)
Depth 3.82 km (2.40 miles)
Quality Fair
Location Quality Parameters Nst=14, Nph=23, Dmin=10.4 km, Rmss=0.21 sec, Erho=0.43 km, Erzz=1.49 km, Gp=138 degrees
Event ID# ci41137055
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