Recent Earthquakes in California and Nevada


== PRELIMINARY EVENT REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro quarry occurred at 12:35:38 PM (PDT) on Monday, August 25, 2025.
The magnitude 1.3 event (a probable quarry explosion) occurred 7 km (5 miles) E (79 degrees) of Lebec, CA.
The hypocentral depth is -1 km (-1 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Monday, August 25, 2025 at 12:35:38 PM (PDT)
Monday, August 25, 2025 at 19:35:38 (UTC)
Distance from Lebec, CA - 7 km (5 miles) E (79 degrees)
Gorman, CA - 9 km (5 miles) NE (43 degrees)
Frazier Park, CA - 15 km (9 miles) ENE (76 degrees)
Grapevine, CA - 16 km (10 miles) SE (127 degrees)
Neenach, CA - 19 km (12 miles) WNW (298 degrees)
Coordinates 34 deg. 51.3 min. N (34.854N), 118 deg. 47.2 min. W (118.787W)
Depth -1.09 km (-0.70 miles)
Quality Fair
Location Quality Parameters Nst=36, Nph=37, Dmin=8.7 km, Rmss=0.23 sec, Erho=0.33 km, Erzz=31.61 km, Gp=56 degrees
Event ID# ci41274616
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