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 4:38:46 AM (PDT) on Friday, September 12, 2025.
The magnitude 0.4 event occurred 4 km (3 miles) SSW of Aguanga, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Friday, September 12, 2025 at 4:38:46 AM (PDT)
Friday, September 12, 2025 at 11:38:46 (UTC)
Distance from Aguanga, CA - 4 km (3 miles) SSW (207 degrees)
Palomar Observatory, CA - 6 km (4 miles) NNW (340 degrees)
Pala, CA - 18 km (11 miles) ENE (75 degrees)
Lake Henshaw, CA - 22 km (13 miles) NNW (328 degrees)
Valley Center, CA - 25 km (16 miles) NNE (33 degrees)
Coordinates 33 deg. 24.4 min. N (33.407N), 116 deg. 53.2 min. W (116.886W)
Depth 5.39 km (3.30 miles)
Quality Good
Location Quality Parameters Nst=27, Nph=42, Dmin=6.4 km, Rmss=0.17 sec, Erho=0.24 km, Erzz=0.63 km, Gp=61 degrees
Event ID# ci41289784
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