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

A micro earthquake occurred at 7:17:28 PM (PDT) on Tuesday, August 12, 2025.
The magnitude 2.2 event occurred 1 km (1 miles) S of Mentone, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 2.2 - local magnitude (Ml)
Time Tuesday, August 12, 2025 at 7:17:28 PM (PDT)
Wednesday, August 13, 2025 at 2:17:28 (UTC)
Distance from Mentone, CA - 1 km (1 miles) S (185 degrees)
Redlands, CA - 4 km (3 miles) E (86 degrees)
Yucaipa, CA - 9 km (6 miles) WNW (288 degrees)
Highland, CA - 10 km (6 miles) SE (139 degrees)
Calimesa, CA - 11 km (7 miles) NW (316 degrees)
Coordinates 34 deg. 3.5 min. N (34.058N), 117 deg. 8.1 min. W (117.136W)
Depth 11.36 km (7.10 miles)
Quality Good
Location Quality Parameters Nst=110, Nph=200, Dmin=3.3 km, Rmss=0.16 sec, Erho=0.1 km, Erzz=0.19 km, Gp=17 degrees
Event ID# ci41259584
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