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 10:51:50 PM (PDT) on Sunday, August 10, 2025.
The magnitude 1.2 event occurred 2 km (1 miles) S of Mentone, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Sunday, August 10, 2025 at 10:51:50 PM (PDT)
Monday, August 11, 2025 at 5:51:50 (UTC)
Distance from Mentone, CA - 2 km (1 miles) S (190 degrees)
Redlands, CA - 4 km (3 miles) E (89 degrees)
Yucaipa, CA - 9 km (6 miles) WNW (286 degrees)
Highland, CA - 10 km (6 miles) SE (141 degrees)
Loma Linda, CA - 11 km (7 miles) E (85 degrees)
Coordinates 34 deg. 3.4 min. N (34.056N), 117 deg. 8.2 min. W (117.137W)
Depth 10.85 km (6.70 miles)
Quality Excellent
Location Quality Parameters Nst=68, Nph=110, Dmin=3.3 km, Rmss=0.14 sec, Erho=0.12 km, Erzz=0.22 km, Gp=26 degrees
Event ID# ci41258208
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