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 3:55:29 PM (PDT) on Tuesday, October 7, 2025.
The magnitude 1.0 event occurred 5 km (3 miles) W of Borrego Springs, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.0 - local magnitude (Ml)
Time Tuesday, October 7, 2025 at 3:55:29 PM (PDT)
Tuesday, October 7, 2025 at 22:55:29 (UTC)
Distance from Borrego Springs, CA - 5 km (3 miles) W (260 degrees)
Warner Springs, CA - 20 km (12 miles) E (101 degrees)
Julian, CA - 25 km (16 miles) NE (41 degrees)
Ocotillo Wells, CA - 30 km (18 miles) WNW (294 degrees)
Lake Henshaw, CA - 32 km (20 miles) E (88 degrees)
Coordinates 33 deg. 14.9 min. N (33.249N), 116 deg. 25.4 min. W (116.423W)
Depth 1.98 km (1.20 miles)
Quality Good
Location Quality Parameters Nst=61, Nph=106, Dmin=2.2 km, Rmss=0.23 sec, Erho=0.16 km, Erzz=0.27 km, Gp=25 degrees
Event ID# ci41104919
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