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 #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

An earthquake occurred at 3:45:16 AM (PDT) on Wednesday, August 27, 2025.
The magnitude 0.0 event occurred 9 km (5 miles) NE (56 degrees) of Running Springs, CA.
The hypocentral depth is 2 km ( 2 miles).


Magnitude 0.0 - local magnitude (Ml)
Time Wednesday, August 27, 2025 at 3:45:16 AM (PDT)
Wednesday, August 27, 2025 at 10:45:16 (UTC)
Distance from Running Springs, CA - 9 km (5 miles) NE (56 degrees)
Big Bear Lake, CA - 11 km (7 miles) W (275 degrees)
Lake Arrowhead, CA - 15 km (9 miles) E (88 degrees)
Big Bear City, CA - 17 km (11 miles) W (267 degrees)
Highland, CA - 21 km (13 miles) NE (50 degrees)
Coordinates 34 deg. 15.1 min. N (34.252N), 117 deg. 1.9 min. W (117.031W)
Depth 2.50 km (1.60 miles)
Quality Fair
Location Quality Parameters Nst=5, Nph=9, Dmin=2.4 km, Rmss=0.1 sec, Erho=0.5 km, Erzz=0.62 km, Gp=200 degrees
Event ID# ci37740004
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