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

A micro earthquake occurred at 11:11:25 AM (PDT) on Sunday, October 5, 2025.
The magnitude 0.8 event occurred 4 km (3 miles) SSE of Mentone, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Sunday, October 5, 2025 at 11:11:25 AM (PDT)
Sunday, October 5, 2025 at 18:11:25 (UTC)
Distance from Mentone, CA - 4 km (3 miles) SSE (157 degrees)
Redlands, CA - 6 km (4 miles) ESE (111 degrees)
Yucaipa, CA - 7 km (4 miles) W (271 degrees)
Calimesa, CA - 8 km (5 miles) NW (311 degrees)
Loma Linda, CA - 13 km (8 miles) E (96 degrees)
Coordinates 34 deg. 2.1 min. N (34.035N), 117 deg. 7.0 min. W (117.117W)
Depth 4.47 km (2.80 miles)
Quality Good
Location Quality Parameters Nst=33, Nph=53, Dmin=0.4 km, Rmss=0.17 sec, Erho=0.19 km, Erzz=0.32 km, Gp=35 degrees
Event ID# ci41103207
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