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 8:10:22 PM (PST) on Thursday, December 4, 2025.
The magnitude 0.7 event occurred 9 km (5 miles) SW of Idyllwild, CA.
The hypocentral depth is 17 km (11 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Thursday, December 4, 2025 at 8:10:22 PM (PST)
Friday, December 5, 2025 at 4:10:22 (UTC)
Distance from Idyllwild, CA - 9 km (5 miles) SW (227 degrees)
Valle Vista, CA - 12 km (7 miles) SE (125 degrees)
Hemet, CA - 18 km (11 miles) ESE (112 degrees)
Anza, CA - 18 km (11 miles) NW (324 degrees)
San Jacinto, CA - 19 km (12 miles) SE (124 degrees)
Coordinates 33 deg. 41.2 min. N (33.686N), 116 deg. 47.3 min. W (116.788W)
Depth 17.37 km (10.80 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=65, Dmin=7.7 km, Rmss=0.16 sec, Erho=0.19 km, Erzz=0.36 km, Gp=64 degrees
Event ID# ci41132959
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