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 11:42:12 PM (PDT) on Wednesday, October 22, 2025.
The magnitude 1.2 event occurred 5 km (3 miles) ENE (78 degrees) of Calimesa, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Wednesday, October 22, 2025 at 11:42:12 PM (PDT)
Thursday, October 23, 2025 at 6:42:12 (UTC)
Distance from Calimesa, CA - 5 km (3 miles) ENE (78 degrees)
Yucaipa, CA - 6 km (4 miles) SE (133 degrees)
Beaumont, CA - 8 km (5 miles) NNW (347 degrees)
Banning, CA - 14 km (9 miles) NW (306 degrees)
Mentone, CA - 15 km (9 miles) ESE (122 degrees)
Coordinates 33 deg. 59.9 min. N (33.998N), 116 deg. 59.8 min. W (116.996W)
Depth 10.13 km (6.30 miles)
Quality Good
Location Quality Parameters Nst=68, Nph=120, Dmin=8.6 km, Rmss=0.18 sec, Erho=0.13 km, Erzz=0.37 km, Gp=27 degrees
Event ID# ci41113159
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