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 2:42:53 PM (PDT) on Thursday, July 31, 2025.
The magnitude 0.8 event occurred 5 km (3 miles) S of Idyllwild, CA.
The hypocentral depth is 18 km (11 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Thursday, July 31, 2025 at 2:42:53 PM (PDT)
Thursday, July 31, 2025 at 21:42:53 (UTC)
Distance from Idyllwild, CA - 5 km (3 miles) S (173 degrees)
Anza, CA - 16 km (10 miles) NNW (347 degrees)
Valle Vista, CA - 18 km (11 miles) ESE (108 degrees)
Palm Springs, CA - 22 km (14 miles) SW (231 degrees)
Hemet, CA - 25 km (15 miles) ESE (103 degrees)
Coordinates 33 deg. 42.0 min. N (33.699N), 116 deg. 42.8 min. W (116.713W)
Depth 17.61 km (10.90 miles)
Quality Excellent
Location Quality Parameters Nst=25, Nph=41, Dmin=12.5 km, Rmss=0.13 sec, Erho=0.23 km, Erzz=0.5 km, Gp=74 degrees
Event ID# ci41249952
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