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 0:29:05 AM (PST) on Thursday, December 4, 2025.
The magnitude 1.4 event occurred 13 km (8 miles) NW of Fillmore, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Thursday, December 4, 2025 at 0:29:05 AM (PST)
Thursday, December 4, 2025 at 8:29:05 (UTC)
Distance from Fillmore, CA - 13 km (8 miles) NW (315 degrees)
Santa Paula, CA - 15 km (9 miles) NNE (14 degrees)
Ojai, CA - 21 km (13 miles) E (79 degrees)
Piru, CA - 22 km (14 miles) WNW (290 degrees)
Moorpark, CA - 25 km (16 miles) NNW (330 degrees)
Coordinates 34 deg. 29.0 min. N (34.483N), 119 deg. 1.3 min. W (119.022W)
Depth 7.81 km (4.90 miles)
Quality Good
Location Quality Parameters Nst=44, Nph=71, Dmin=9.6 km, Rmss=0.26 sec, Erho=0.25 km, Erzz=0.95 km, Gp=41 degrees
Event ID# ci41132279
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