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 3:31:37 AM (PST) on Saturday, December 13, 2025.
The magnitude 1.3 event occurred 17 km (10 miles) ESE of Julian, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Saturday, December 13, 2025 at 3:31:37 AM (PST)
Saturday, December 13, 2025 at 11:31:37 (UTC)
Distance from Julian, CA - 17 km (10 miles) ESE (114 degrees)
Pine Valley, CA - 24 km (15 miles) NNE (21 degrees)
Borrego Springs, CA - 27 km (17 miles) SSW (193 degrees)
San Diego Country Estates, CA - 32 km (20 miles) E (87 degrees)
Ocotillo Wells, CA - 32 km (20 miles) WSW (244 degrees)
Coordinates 33 deg. 1.1 min. N (33.019N), 116 deg. 26.3 min. W (116.439W)
Depth 10.74 km (6.70 miles)
Quality Good
Location Quality Parameters Nst=52, Nph=72, Dmin=5.9 km, Rmss=0.189999998 sec, Erho=0.25 km, Erzz=0.449999988 km, Gp=78 degrees
Event ID# ci41350872
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