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 9:59:27 PM (PDT) on Saturday, August 9, 2025.
The magnitude 1.3 event occurred 11 km (7 miles) N of Piru, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Saturday, August 9, 2025 at 9:59:27 PM (PDT)
Sunday, August 10, 2025 at 4:59:27 (UTC)
Distance from Piru, CA - 11 km (7 miles) N (355 degrees)
Fillmore, CA - 16 km (10 miles) NE (40 degrees)
Castaic, CA - 17 km (10 miles) W (279 degrees)
Valencia, CA - 22 km (14 miles) WNW (287 degrees)
Moorpark, CA - 26 km (16 miles) NNE (16 degrees)
Coordinates 34 deg. 30.8 min. N (34.513N), 118 deg. 48.2 min. W (118.804W)
Depth 7.93 km (4.90 miles)
Quality Good
Location Quality Parameters Nst=38, Nph=65, Dmin=11.0 km, Rmss=0.18 sec, Erho=0.2 km, Erzz=0.7 km, Gp=53 degrees
Event ID# ci41257672
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