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

A micro earthquake occurred at 5:42:45 AM (PST) on Saturday, December 13, 2025.
The magnitude 1.1 event occurred 17 km (10 miles) NE (40 degrees) of Pine Valley, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Saturday, December 13, 2025 at 5:42:45 AM (PST)
Saturday, December 13, 2025 at 13:42:45 (UTC)
Distance from Pine Valley, CA - 17 km (10 miles) NE (40 degrees)
Julian, CA - 24 km (15 miles) SE (132 degrees)
Alpine, CA - 35 km (22 miles) ENE (71 degrees)
San Diego Country Estates, CA - 35 km (22 miles) ESE (103 degrees)
Ocotillo Wells, CA - 35 km (22 miles) SW (229 degrees)
Coordinates 32 deg. 56.1 min. N (32.935N), 116 deg. 24.8 min. W (116.413W)
Depth 4.85 km (3.00 miles)
Quality Good
Location Quality Parameters Nst=25, Nph=31, Dmin=4.1 km, Rmss=0.150000006 sec, Erho=0.28 km, Erzz=0.550000012 km, Gp=67 degrees
Event ID# ci41350936
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