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 11:14:07 AM (PDT) on Tuesday, September 9, 2025.
The magnitude 0.4 event occurred 17 km (11 miles) ESE of Anza, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Tuesday, September 9, 2025 at 11:14:07 AM (PDT)
Tuesday, September 9, 2025 at 18:14:07 (UTC)
Distance from Anza, CA - 17 km (11 miles) ESE (107 degrees)
La Quinta, CA - 24 km (15 miles) SW (225 degrees)
Palm Desert, CA - 26 km (16 miles) SSW (205 degrees)
Rancho Mirage, CA - 27 km (17 miles) SSW (196 degrees)
Warner Springs, CA - 28 km (18 miles) NNE (27 degrees)
Coordinates 33 deg. 30.6 min. N (33.510N), 116 deg. 29.6 min. W (116.494W)
Depth 13.04 km (8.10 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=18, Dmin=10.2 km, Rmss=0.12 sec, Erho=0.32 km, Erzz=1.08 km, Gp=96 degrees
Event ID# ci41287376
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