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 3:03:05 PM (PDT) on Tuesday, August 5, 2025.
The magnitude 1.7 event (a probable quarry explosion) occurred 8 km (5 miles) SSW of Mojave, CA.
The hypocentral depth is -1 km (-1 miles).


Magnitude 1.7 - local magnitude (Ml)
Time Tuesday, August 5, 2025 at 3:03:05 PM (PDT)
Tuesday, August 5, 2025 at 22:03:05 (UTC)
Distance from Mojave, CA - 8 km (5 miles) SSW (192 degrees)
Rosamond, CA - 13 km (8 miles) NNW (348 degrees)
California City, CA - 25 km (15 miles) SW (230 degrees)
Edwards Air Force Base, CA - 25 km (16 miles) WNW (290 degrees)
Tehachapi, CA - 29 km (18 miles) SE (126 degrees)
Coordinates 34 deg. 58.9 min. N (34.981N), 118 deg. 11.6 min. W (118.193W)
Depth -0.90 km (-0.60 miles)
Quality Fair
Location Quality Parameters Nst=21, Nph=26, Dmin=13.6 km, Rmss=0.28 sec, Erho=0.41 km, Erzz=31.61 km, Gp=52 degrees
Event ID# ci41254064
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