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 4:53:26 AM (PDT) on Saturday, August 16, 2025.
The magnitude 0.6 event occurred 5 km (3 miles) SSW of Redlands, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 0.6 - local magnitude (Ml)
Time Saturday, August 16, 2025 at 4:53:26 AM (PDT)
Saturday, August 16, 2025 at 11:53:26 (UTC)
Distance from Redlands, CA - 5 km (3 miles) SSW (203 degrees)
Loma Linda, CA - 7 km (4 miles) SE (128 degrees)
Mentone, CA - 9 km (6 miles) SW (225 degrees)
Grand Terrace, CA - 10 km (6 miles) ESE (104 degrees)
Moreno Valley, CA - 10 km (6 miles) NNE (13 degrees)
Coordinates 34 deg. 0.7 min. N (34.011N), 117 deg. 12.3 min. W (117.205W)
Depth 7.07 km (4.40 miles)
Quality Good
Location Quality Parameters Nst=20, Nph=36, Dmin=7.7 km, Rmss=0.13 sec, Erho=0.2 km, Erzz=0.43 km, Gp=127 degrees
Event ID# ci40400290
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