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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 9:27:16 PM (PDT) on Wednesday, September 10, 2025.
The magnitude 0.5 event occurred 6 km (4 miles) NE (55 degrees) of Anza, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 0.5 - local magnitude (Ml)
Time Wednesday, September 10, 2025 at 9:27:16 PM (PDT)
Thursday, September 11, 2025 at 4:27:16 (UTC)
Distance from Anza, CA - 6 km (4 miles) NE (55 degrees)
Idyllwild, CA - 19 km (12 miles) SSE (151 degrees)
Rancho Mirage, CA - 25 km (16 miles) SW (228 degrees)
Cathedral City, CA - 26 km (16 miles) SW (214 degrees)
Palm Desert, CA - 27 km (17 miles) SW (236 degrees)
Coordinates 33 deg. 35.2 min. N (33.587N), 116 deg. 37.1 min. W (116.618W)
Depth 12.64 km (7.90 miles)
Quality Excellent
Location Quality Parameters Nst=28, Nph=45, Dmin=2.6 km, Rmss=0.13 sec, Erho=0.18 km, Erzz=0.29 km, Gp=42 degrees
Event ID# ci41288712
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