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 8:44:31 AM (PDT) on Tuesday, August 18, 2026.
The magnitude 1.1 event occurred 8 km (5 miles) NNE (15 degrees) of Big Bear City, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Tuesday, August 18, 2026 at 8:44:31 AM (PDT)
Tuesday, August 18, 2026 at 15:44:31 (UTC)
Distance from Big Bear City, CA - 8 km (5 miles) NNE (15 degrees)
Big Bear Lake, CA - 13 km (8 miles) NE (40 degrees)
Lucerne Valley, CA - 18 km (11 miles) SE (133 degrees)
Running Springs, CA - 30 km (18 miles) ENE (62 degrees)
Lake Arrowhead, CA - 35 km (22 miles) ENE (75 degrees)
Coordinates 34 deg. 19.9 min. N (34.331N), 116 deg. 49.4 min. W (116.823W)
Depth 6.69 km (4.20 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=53, Dmin=1.9 km, Rmss=0.15 sec, Erho=0.17 km, Erzz=0.48 km, Gp=51 degrees
Event ID# ci41529264
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