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 0:33:08 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 0.5 event occurred 7 km (4 miles) SSW of Idyllwild, CA.
The hypocentral depth is 15 km (10 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Wednesday, September 10, 2025 at 0:33:08 AM (PDT)
Wednesday, September 10, 2025 at 7:33:08 (UTC)
Distance from Idyllwild, CA - 7 km (4 miles) SSW (202 degrees)
Valle Vista, CA - 15 km (10 miles) ESE (118 degrees)
Anza, CA - 16 km (10 miles) NNW (335 degrees)
Hemet, CA - 22 km (14 miles) ESE (109 degrees)
San Jacinto, CA - 23 km (14 miles) ESE (120 degrees)
Coordinates 33 deg. 41.0 min. N (33.683N), 116 deg. 44.8 min. W (116.746W)
Depth 15.35 km (9.50 miles)
Quality Excellent
Location Quality Parameters Nst=24, Nph=38, Dmin=6.9 km, Rmss=0.14 sec, Erho=0.26 km, Erzz=0.5 km, Gp=68 degrees
Event ID# ci41287896
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