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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:23:49 PM (PDT) on Thursday, July 17, 2025.
The magnitude 0.5 event occurred 4 km (3 miles) WNW of Borrego Springs, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Thursday, July 17, 2025 at 8:23:49 PM (PDT)
Friday, July 18, 2025 at 3:23:49 (UTC)
Distance from Borrego Springs, CA - 4 km (3 miles) WNW (289 degrees)
Warner Springs, CA - 20 km (12 miles) E (94 degrees)
Julian, CA - 27 km (17 miles) NE (39 degrees)
Ocotillo Wells, CA - 30 km (19 miles) WNW (298 degrees)
Lake Henshaw, CA - 32 km (20 miles) E (85 degrees)
Coordinates 33 deg. 16.1 min. N (33.268N), 116 deg. 25.1 min. W (116.418W)
Depth 4.49 km (2.80 miles)
Quality Good
Location Quality Parameters Nst=26, Nph=45, Dmin=0.1 km, Rmss=0.21 sec, Erho=0.23 km, Erzz=0.37 km, Gp=44 degrees
Event ID# ci41025255
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