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 is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 3:08:28 AM (PDT) on Saturday, August 2, 2025.
The magnitude 1.3 event occurred 6 km (4 miles) NW of Big Bear City, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Saturday, August 2, 2025 at 3:08:28 AM (PDT)
Saturday, August 2, 2025 at 10:08:28 (UTC)
Distance from Big Bear City, CA - 6 km (4 miles) NW (320 degrees)
Big Bear Lake, CA - 7 km (4 miles) NNE (20 degrees)
Lucerne Valley, CA - 18 km (11 miles) SSE (154 degrees)
Running Springs, CA - 23 km (14 miles) ENE (63 degrees)
Lake Arrowhead, CA - 29 km (18 miles) ENE (78 degrees)
Coordinates 34 deg. 18.1 min. N (34.302N), 116 deg. 53.1 min. W (116.886W)
Depth 5.42 km (3.40 miles)
Quality Excellent
Location Quality Parameters Nst=63, Nph=113, Dmin=5.4 km, Rmss=0.13 sec, Erho=0.11 km, Erzz=0.29 km, Gp=41 degrees
Event ID# ci41251328
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