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 #3: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 7:18:16 AM (PST) on Monday, December 15, 2025.
The magnitude 1.1 event occurred 8 km (5 miles) N (6 degrees) of Westmorland, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Monday, December 15, 2025 at 7:18:16 AM (PST)
Monday, December 15, 2025 at 15:18:16 (UTC)
Distance from Westmorland, CA - 8 km (5 miles) N (6 degrees)
Calipatria, CA - 9 km (6 miles) W (260 degrees)
Brawley, CA - 17 km (10 miles) NNW (333 degrees)
Niland, CA - 17 km (10 miles) SSW (211 degrees)
Bombay Beach, CA - 29 km (18 miles) SSE (157 degrees)
Coordinates 33 deg. 6.7 min. N (33.112N), 115 deg. 36.8 min. W (115.613W)
Depth 9.49 km (5.90 miles)
Quality Good
Location Quality Parameters Nst=23, Nph=35, Dmin=3.2 km, Rmss=0.21 sec, Erho=0.41 km, Erzz=0.78 km, Gp=81 degrees
Event ID# ci41352208
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