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 #4: 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 3:09:18 PM (PDT) on Friday, August 1, 2025.
The magnitude 1.9 event occurred 10 km (6 miles) SSW of Valencia, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.9 - local magnitude (Ml)
Time Friday, August 1, 2025 at 3:09:18 PM (PDT)
Friday, August 1, 2025 at 22:09:18 (UTC)
Distance from Valencia, CA - 10 km (6 miles) SSW (212 degrees)
Castaic, CA - 12 km (8 miles) S (183 degrees)
Santa Clarita, CA - 12 km (8 miles) WSW (249 degrees)
Chatsworth, CA - 14 km (8 miles) N (350 degrees)
Piru, CA - 16 km (10 miles) ESE (106 degrees)
Coordinates 34 deg. 22.7 min. N (34.378N), 118 deg. 37.8 min. W (118.630W)
Depth 10.98 km (6.80 miles)
Quality Good
Location Quality Parameters Nst=81, Nph=132, Dmin=4.0 km, Rmss=0.25 sec, Erho=0.17 km, Erzz=0.32 km, Gp=38 degrees
Event ID# ci41250952
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