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 7:10:00 PM (PST) on Thursday, December 4, 2025.
The magnitude 2.2 event occurred 14 km (9 miles) N of Borrego Springs, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 2.2 - local magnitude (Ml)
Time Thursday, December 4, 2025 at 7:10:00 PM (PST)
Friday, December 5, 2025 at 3:10:00 (UTC)
Distance from Borrego Springs, CA - 14 km (9 miles) N (356 degrees)
Warner Springs, CA - 26 km (16 miles) ENE (64 degrees)
Oasis, CA - 28 km (17 miles) WSW (251 degrees)
La Quinta, CA - 32 km (20 miles) SSW (193 degrees)
Anza, CA - 33 km (20 miles) SE (125 degrees)
Coordinates 33 deg. 23.1 min. N (33.385N), 116 deg. 23.1 min. W (116.385W)
Depth 3.15 km (2.00 miles)
Quality Good
Location Quality Parameters Nst=93, Nph=172, Dmin=6.6 km, Rmss=0.19 sec, Erho=0.11 km, Erzz=0.35 km, Gp=16 degrees
Event ID# ci41132919
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