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

A micro earthquake occurred at 5:17:07 AM (PDT) on Friday, August 29, 2025.
The magnitude 0.7 event occurred 3 km (2 miles) E (99 degrees) of Loma Linda, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Friday, August 29, 2025 at 5:17:07 AM (PDT)
Friday, August 29, 2025 at 12:17:07 (UTC)
Distance from Loma Linda, CA - 3 km (2 miles) E (99 degrees)
Redlands, CA - 5 km (3 miles) WSW (254 degrees)
Grand Terrace, CA - 8 km (5 miles) E (82 degrees)
Colton, CA - 8 km (5 miles) ESE (113 degrees)
Mentone, CA - 9 km (6 miles) WSW (252 degrees)
Coordinates 34 deg. 2.7 min. N (34.044N), 117 deg. 13.8 min. W (117.230W)
Depth 15.11 km (9.40 miles)
Quality Excellent
Location Quality Parameters Nst=26, Nph=40, Dmin=10.9 km, Rmss=0.11 sec, Erho=0.18 km, Erzz=0.29 km, Gp=66 degrees
Event ID# ci41278184
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