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 2:44:32 AM (PDT) on Monday, August 18, 2025.
The magnitude 0.4 event occurred 18 km (11 miles) ESE of Anza, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Monday, August 18, 2025 at 2:44:32 AM (PDT)
Monday, August 18, 2025 at 9:44:32 (UTC)
Distance from Anza, CA - 18 km (11 miles) ESE (106 degrees)
La Quinta, CA - 24 km (15 miles) SW (224 degrees)
Rancho Mirage, CA - 26 km (16 miles) SSW (195 degrees)
Palm Desert, CA - 26 km (16 miles) SSW (204 degrees)
Indian Wells, CA - 28 km (18 miles) SW (216 degrees)
Coordinates 33 deg. 30.7 min. N (33.512N), 116 deg. 29.3 min. W (116.488W)
Depth 12.80 km (8.00 miles)
Quality Good
Location Quality Parameters Nst=25, Nph=41, Dmin=10.8 km, Rmss=0.16 sec, Erho=0.27 km, Erzz=0.54 km, Gp=52 degrees
Event ID# ci40401722
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