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 5:40:12 PM (PST) on Monday, December 1, 2025.
The magnitude 1.2 event occurred 7 km (5 miles) SE of Lucerne Valley, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Monday, December 1, 2025 at 5:40:12 PM (PST)
Tuesday, December 2, 2025 at 1:40:12 (UTC)
Distance from Lucerne Valley, CA - 7 km (5 miles) SE (127 degrees)
Big Bear City, CA - 17 km (10 miles) NNW (341 degrees)
Big Bear Lake, CA - 18 km (11 miles) N (2 degrees)
Apple Valley, CA - 28 km (17 miles) ESE (113 degrees)
Running Springs, CA - 29 km (18 miles) NE (41 degrees)
Coordinates 34 deg. 24.2 min. N (34.403N), 116 deg. 54.2 min. W (116.903W)
Depth 4.53 km (2.80 miles)
Quality Good
Location Quality Parameters Nst=49, Nph=82, Dmin=8.2 km, Rmss=0.2 sec, Erho=0.17 km, Erzz=0.56 km, Gp=43 degrees
Event ID# ci41130663
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