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 1:41:58 AM (PDT) on Tuesday, September 9, 2025.
The magnitude 1.0 event occurred 19 km (12 miles) ESE of Julian, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Tuesday, September 9, 2025 at 1:41:58 AM (PDT)
Tuesday, September 9, 2025 at 8:41:58 (UTC)
Distance from Julian, CA - 19 km (12 miles) ESE (108 degrees)
Pine Valley, CA - 25 km (16 miles) NNE (26 degrees)
Borrego Springs, CA - 26 km (16 miles) S (187 degrees)
Ocotillo Wells, CA - 29 km (18 miles) WSW (244 degrees)
San Diego Country Estates, CA - 35 km (22 miles) E (86 degrees)
Coordinates 33 deg. 1.6 min. N (33.027N), 116 deg. 24.6 min. W (116.409W)
Depth 10.63 km (6.60 miles)
Quality Good
Location Quality Parameters Nst=54, Nph=100, Dmin=6.1 km, Rmss=0.18 sec, Erho=0.17 km, Erzz=0.34 km, Gp=43 degrees
Event ID# ci41286856
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