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 9:44:56 AM (PDT) on Saturday, August 2, 2025.
The magnitude 1.0 event occurred 11 km (7 miles) SSE of Lucerne Valley, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - local magnitude (Ml)
Time Saturday, August 2, 2025 at 9:44:56 AM (PDT)
Saturday, August 2, 2025 at 16:44:56 (UTC)
Distance from Lucerne Valley, CA - 11 km (7 miles) SSE (149 degrees)
Big Bear City, CA - 12 km (7 miles) NNW (333 degrees)
Big Bear Lake, CA - 13 km (8 miles) N (3 degrees)
Running Springs, CA - 25 km (16 miles) NE (49 degrees)
Lake Arrowhead, CA - 29 km (18 miles) ENE (65 degrees)
Coordinates 34 deg. 21.4 min. N (34.357N), 116 deg. 54.3 min. W (116.904W)
Depth 2.32 km (1.40 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=55, Dmin=7.2 km, Rmss=0.2 sec, Erho=0.22 km, Erzz=0.72 km, Gp=44 degrees
Event ID# ci41251496
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