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

A micro earthquake occurred at 9:09:45 AM (PST) on Thursday, December 4, 2025.
The magnitude 1.1 event occurred 13 km (8 miles) NW of Fillmore, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Thursday, December 4, 2025 at 9:09:45 AM (PST)
Thursday, December 4, 2025 at 17:09:45 (UTC)
Distance from Fillmore, CA - 13 km (8 miles) NW (316 degrees)
Santa Paula, CA - 15 km (9 miles) NNE (17 degrees)
Ojai, CA - 21 km (13 miles) E (80 degrees)
Piru, CA - 21 km (13 miles) WNW (290 degrees)
Moorpark, CA - 25 km (15 miles) NNW (331 degrees)
Coordinates 34 deg. 28.8 min. N (34.480N), 119 deg. 0.8 min. W (119.013W)
Depth 9.95 km (6.20 miles)
Quality Good
Location Quality Parameters Nst=26, Nph=41, Dmin=8.8 km, Rmss=0.23 sec, Erho=0.29 km, Erzz=0.79 km, Gp=73 degrees
Event ID# ci41132511
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