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 4:44:29 AM (PDT) on Wednesday, September 10, 2025.
The magnitude 0.3 event occurred 4 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.3 - local magnitude (Ml)
Time Wednesday, September 10, 2025 at 4:44:29 AM (PDT)
Wednesday, September 10, 2025 at 11:44:29 (UTC)
Distance from Anza, CA - 4 km (3 miles) WSW (247 degrees)
Aguanga, CA - 17 km (11 miles) NE (52 degrees)
Idyllwild, CA - 22 km (14 miles) S (179 degrees)
Palomar Observatory, CA - 25 km (15 miles) NE (34 degrees)
Valle Vista, CA - 28 km (18 miles) SE (145 degrees)
Coordinates 33 deg. 32.4 min. N (33.540N), 116 deg. 43.0 min. W (116.717W)
Depth 5.41 km (3.40 miles)
Quality Good
Location Quality Parameters Nst=15, Nph=27, Dmin=3.4 km, Rmss=0.15 sec, Erho=0.29 km, Erzz=0.51 km, Gp=78 degrees
Event ID# ci41287976
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