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 6:04:51 PM (PDT) on Wednesday, August 27, 2025.
The magnitude 1.2 event occurred 2 km (1 miles) N (4 degrees) of Loma Linda, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Wednesday, August 27, 2025 at 6:04:51 PM (PDT)
Thursday, August 28, 2025 at 1:04:51 (UTC)
Distance from Loma Linda, CA - 2 km (1 miles) N (4 degrees)
Colton, CA - 5 km (3 miles) ESE (103 degrees)
Grand Terrace, CA - 6 km (4 miles) NE (56 degrees)
Redlands, CA - 7 km (4 miles) W (277 degrees)
San Bernardino, CA - 8 km (5 miles) SSE (157 degrees)
Coordinates 34 deg. 3.8 min. N (34.063N), 117 deg. 15.6 min. W (117.260W)
Depth 10.13 km (6.30 miles)
Quality Good
Location Quality Parameters Nst=51, Nph=87, Dmin=5.1 km, Rmss=0.15 sec, Erho=0.14 km, Erzz=0.31 km, Gp=47 degrees
Event ID# ci41277048
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