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

A micro earthquake occurred at 9:24:17 PM (PDT) on Thursday, July 17, 2025.
The magnitude 0.8 event occurred 6 km (3 miles) E of Calimesa, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Thursday, July 17, 2025 at 9:24:17 PM (PDT)
Friday, July 18, 2025 at 4:24:17 (UTC)
Distance from Calimesa, CA - 6 km (3 miles) E (100 degrees)
Beaumont, CA - 6 km (4 miles) NNW (345 degrees)
Yucaipa, CA - 8 km (5 miles) SE (143 degrees)
Banning, CA - 12 km (8 miles) WNW (299 degrees)
Mentone, CA - 16 km (10 miles) SE (128 degrees)
Coordinates 33 deg. 58.7 min. N (33.979N), 116 deg. 59.6 min. W (116.993W)
Depth 7.67 km (4.80 miles)
Quality Good
Location Quality Parameters Nst=31, Nph=46, Dmin=12.7 km, Rmss=0.16 sec, Erho=0.21 km, Erzz=1.17 km, Gp=32 degrees
Event ID# ci41025311
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