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 10:34:22 PM (PDT) on Saturday, October 4, 2025.
The magnitude 0.4 event occurred 11 km (7 miles) SSW of Borrego Springs, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Saturday, October 4, 2025 at 10:34:22 PM (PDT)
Sunday, October 5, 2025 at 5:34:22 (UTC)
Distance from Borrego Springs, CA - 11 km (7 miles) SSW (202 degrees)
Julian, CA - 20 km (12 miles) ENE (61 degrees)
Warner Springs, CA - 24 km (15 miles) ESE (123 degrees)
Ocotillo Wells, CA - 27 km (17 miles) W (275 degrees)
Lake Henshaw, CA - 33 km (21 miles) ESE (105 degrees)
Coordinates 33 deg. 9.9 min. N (33.166N), 116 deg. 25.1 min. W (116.418W)
Depth 8.24 km (5.10 miles)
Quality Good
Location Quality Parameters Nst=33, Nph=59, Dmin=11.4 km, Rmss=0.2 sec, Erho=0.24 km, Erzz=1.01 km, Gp=54 degrees
Event ID# ci41102743
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