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 3:57:58 AM (PDT) on Monday, August 4, 2025.
The magnitude 0.5 event occurred 19 km (12 miles) N of Borrego Springs, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Monday, August 4, 2025 at 3:57:58 AM (PDT)
Monday, August 4, 2025 at 10:57:58 (UTC)
Distance from Borrego Springs, CA - 19 km (12 miles) N (357 degrees)
La Quinta, CA - 27 km (17 miles) SSW (195 degrees)
Oasis, CA - 27 km (17 miles) W (261 degrees)
Warner Springs, CA - 28 km (17 miles) NE (55 degrees)
Anza, CA - 30 km (19 miles) ESE (118 degrees)
Coordinates 33 deg. 25.6 min. N (33.426N), 116 deg. 23.2 min. W (116.387W)
Depth 10.64 km (6.60 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=59, Dmin=10.1 km, Rmss=0.22 sec, Erho=0.26 km, Erzz=0.53 km, Gp=92 degrees
Event ID# ci41252560
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