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

A micro earthquake occurred at 8:51:36 PM (PST) on Monday, December 1, 2025.
The magnitude 0.5 event occurred 17 km (10 miles) N of Borrego Springs, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Monday, December 1, 2025 at 8:51:36 PM (PST)
Tuesday, December 2, 2025 at 4:51:36 (UTC)
Distance from Borrego Springs, CA - 17 km (10 miles) N (356 degrees)
Warner Springs, CA - 27 km (16 miles) ENE (59 degrees)
Oasis, CA - 28 km (17 miles) WSW (256 degrees)
La Quinta, CA - 30 km (18 miles) SSW (194 degrees)
Anza, CA - 31 km (19 miles) ESE (122 degrees)
Coordinates 33 deg. 24.3 min. N (33.405N), 116 deg. 23.3 min. W (116.388W)
Depth 4.59 km (2.90 miles)
Quality Good
Location Quality Parameters Nst=30, Nph=48, Dmin=8.7 km, Rmss=0.2 sec, Erho=0.21 km, Erzz=0.55 km, Gp=84 degrees
Event ID# ci41130767
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