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

A micro quarry occurred at 12:01:36 PM (PDT) on Thursday, August 7, 2025.
The magnitude 1.4 event (a probable quarry explosion) occurred 7 km (5 miles) SSW of Mojave, CA.
The hypocentral depth is -1 km (-1 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Thursday, August 7, 2025 at 12:01:36 PM (PDT)
Thursday, August 7, 2025 at 19:01:36 (UTC)
Distance from Mojave, CA - 7 km (5 miles) SSW (195 degrees)
Rosamond, CA - 14 km (9 miles) NNW (348 degrees)
California City, CA - 24 km (15 miles) SW (231 degrees)
Edwards Air Force Base, CA - 26 km (16 miles) WNW (291 degrees)
Tehachapi, CA - 28 km (18 miles) SE (125 degrees)
Coordinates 34 deg. 59.3 min. N (34.988N), 118 deg. 11.7 min. W (118.195W)
Depth -0.91 km (-0.60 miles)
Quality Fair
Location Quality Parameters Nst=20, Nph=20, Dmin=12.5 km, Rmss=0.17 sec, Erho=0.36 km, Erzz=31.61 km, Gp=77 degrees
Event ID# ci41255672
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