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 0:12:42 AM (PDT) on Sunday, September 28, 2025.
The magnitude 0.7 event occurred 25 km (16 miles) SSW of Ocotillo Wells, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Sunday, September 28, 2025 at 0:12:42 AM (PDT)
Sunday, September 28, 2025 at 7:12:42 (UTC)
Distance from Ocotillo Wells, CA - 25 km (16 miles) SSW (201 degrees)
Pine Valley, CA - 31 km (19 miles) ENE (66 degrees)
Ocotillo, CA - 31 km (19 miles) NW (315 degrees)
Julian, CA - 38 km (24 miles) ESE (115 degrees)
Borrego Springs, CA - 38 km (24 miles) SSE (159 degrees)
Coordinates 32 deg. 56.0 min. N (32.934N), 116 deg. 13.7 min. W (116.228W)
Depth 10.67 km (6.60 miles)
Quality Good
Location Quality Parameters Nst=39, Nph=68, Dmin=7.5 km, Rmss=0.21 sec, Erho=0.22 km, Erzz=0.55 km, Gp=43 degrees
Event ID# ci41100031
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