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 11:47:39 AM (PDT) on Tuesday, July 22, 2025.
The magnitude 1.5 event (a probable quarry explosion) occurred 14 km (9 miles) W of Mojave, CA.
The hypocentral depth is -1 km (-1 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Tuesday, July 22, 2025 at 11:47:39 AM (PDT)
Tuesday, July 22, 2025 at 18:47:39 (UTC)
Distance from Mojave, CA - 14 km (9 miles) W (268 degrees)
Tehachapi, CA - 15 km (9 miles) SE (130 degrees)
Rosamond, CA - 25 km (16 miles) NW (324 degrees)
California City, CA - 32 km (20 miles) WSW (254 degrees)
Edwards Air Force Base, CA - 39 km (25 miles) WNW (294 degrees)
Coordinates 35 deg. 2.9 min. N (35.048N), 118 deg. 19.5 min. W (118.326W)
Depth -0.95 km (-0.60 miles)
Quality Fair
Location Quality Parameters Nst=36, Nph=36, Dmin=6.5 km, Rmss=0.19 sec, Erho=0.29 km, Erzz=31.61 km, Gp=41 degrees
Event ID# ci41028903
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