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 9:03:37 AM (PDT) on Thursday, September 4, 2025.
The magnitude 0.6 event occurred 5 km (3 miles) WSW of Anza, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 0.6 - local magnitude (Ml)
Time Thursday, September 4, 2025 at 9:03:37 AM (PDT)
Thursday, September 4, 2025 at 16:03:37 (UTC)
Distance from Anza, CA - 5 km (3 miles) WSW (254 degrees)
Aguanga, CA - 17 km (10 miles) NE (49 degrees)
Idyllwild, CA - 22 km (14 miles) S (182 degrees)
Palomar Observatory, CA - 24 km (15 miles) NNE (31 degrees)
Valle Vista, CA - 28 km (17 miles) SE (146 degrees)
Coordinates 33 deg. 32.5 min. N (33.542N), 116 deg. 43.8 min. W (116.729W)
Depth 6.89 km (4.30 miles)
Quality Good
Location Quality Parameters Nst=10, Nph=10, Dmin=2.7 km, Rmss=0.16 sec, Erho=0.72 km, Erzz=1.37 km, Gp=73 degrees
Event ID# ci41283208
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