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

A micro earthquake occurred at 1:41:34 PM (PDT) on Sunday, August 31, 2025.
The magnitude 1.3 event occurred 11 km (7 miles) N of Piru, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Sunday, August 31, 2025 at 1:41:34 PM (PDT)
Sunday, August 31, 2025 at 20:41:34 (UTC)
Distance from Piru, CA - 11 km (7 miles) N (354 degrees)
Fillmore, CA - 16 km (10 miles) NE (39 degrees)
Castaic, CA - 17 km (11 miles) W (278 degrees)
Valencia, CA - 22 km (14 miles) WNW (286 degrees)
Moorpark, CA - 26 km (16 miles) NNE (15 degrees)
Coordinates 34 deg. 30.7 min. N (34.511N), 118 deg. 48.4 min. W (118.807W)
Depth 6.33 km (3.90 miles)
Quality Good
Location Quality Parameters Nst=27, Nph=45, Dmin=10.7 km, Rmss=0.2 sec, Erho=0.25 km, Erzz=0.83 km, Gp=53 degrees
Event ID# ci41280248
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