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 10:44:24 PM (PDT) on Friday, September 12, 2025.
The magnitude 0.4 event occurred 9 km (5 miles) ENE (72 degrees) of Julian, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Friday, September 12, 2025 at 10:44:24 PM (PDT)
Saturday, September 13, 2025 at 5:44:24 (UTC)
Distance from Julian, CA - 9 km (5 miles) ENE (72 degrees)
Borrego Springs, CA - 21 km (13 miles) SW (217 degrees)
Warner Springs, CA - 23 km (14 miles) SSE (151 degrees)
San Diego Country Estates, CA - 27 km (17 miles) ENE (67 degrees)
Lake Henshaw, CA - 28 km (17 miles) SE (124 degrees)
Coordinates 33 deg. 6.1 min. N (33.102N), 116 deg. 30.9 min. W (116.514W)
Depth 11.26 km (7.00 miles)
Quality Good
Location Quality Parameters Nst=30, Nph=52, Dmin=7.6 km, Rmss=0.17 sec, Erho=0.27 km, Erzz=0.5 km, Gp=44 degrees
Event ID# ci41290392
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