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

A micro earthquake occurred at 2:09:25 AM (PDT) on Thursday, July 24, 2025.
The magnitude 0.7 event occurred 4 km (2 miles) WNW of Muscoy, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Thursday, July 24, 2025 at 2:09:25 AM (PDT)
Thursday, July 24, 2025 at 9:09:25 (UTC)
Distance from Muscoy, CA - 4 km (2 miles) WNW (289 degrees)
Devore, CA - 6 km (4 miles) SSE (166 degrees)
Rialto, CA - 7 km (4 miles) N (349 degrees)
San Bernardino, CA - 9 km (6 miles) WNW (296 degrees)
Fontana, CA - 10 km (6 miles) NE (42 degrees)
Coordinates 34 deg. 10.0 min. N (34.166N), 117 deg. 23.1 min. W (117.385W)
Depth 10.72 km (6.70 miles)
Quality Good
Location Quality Parameters Nst=40, Nph=57, Dmin=4.7 km, Rmss=0.2 sec, Erho=0.26 km, Erzz=0.38 km, Gp=53 degrees
Event ID# ci41030655
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