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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 11:36:25 AM (PDT) on Sunday, October 12, 2025.
The magnitude 1.0 event occurred 4 km (3 miles) S of Redlands, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Sunday, October 12, 2025 at 11:36:25 AM (PDT)
Sunday, October 12, 2025 at 18:36:25 (UTC)
Distance from Redlands, CA - 4 km (3 miles) S (185 degrees)
Loma Linda, CA - 8 km (5 miles) ESE (117 degrees)
Mentone, CA - 8 km (5 miles) SW (219 degrees)
Moreno Valley, CA - 11 km (7 miles) NNE (21 degrees)
Grand Terrace, CA - 12 km (7 miles) E (99 degrees)
Coordinates 34 deg. 1.0 min. N (34.016N), 117 deg. 11.2 min. W (117.186W)
Depth 6.16 km (3.80 miles)
Quality Good
Location Quality Parameters Nst=45, Nph=79, Dmin=7.1 km, Rmss=0.22 sec, Erho=0.19 km, Erzz=0.6 km, Gp=31 degrees
Event ID# ci41107223
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