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 4:38:39 PM (PDT) on Saturday, October 18, 2025.
The magnitude 0.6 event occurred 12 km (8 miles) W of Anza, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 0.6 - local magnitude (Ml)
Time Saturday, October 18, 2025 at 4:38:39 PM (PDT)
Saturday, October 18, 2025 at 23:38:39 (UTC)
Distance from Anza, CA - 12 km (8 miles) W (279 degrees)
Aguanga, CA - 15 km (10 miles) NNE (21 degrees)
Idyllwild, CA - 20 km (13 miles) SSW (203 degrees)
Valle Vista, CA - 21 km (13 miles) SSE (157 degrees)
Palomar Observatory, CA - 25 km (15 miles) NNE (13 degrees)
Coordinates 33 deg. 34.3 min. N (33.572N), 116 deg. 48.2 min. W (116.804W)
Depth 7.77 km (4.80 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=58, Dmin=6.2 km, Rmss=0.17 sec, Erho=0.19 km, Erzz=0.43 km, Gp=32 degrees
Event ID# ci41111023
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