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 7:42:17 AM (PDT) on Saturday, October 18, 2025.
The magnitude 1.4 event occurred 3 km (2 miles) SSW of Anza, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.4 - local magnitude (Ml)
Time Saturday, October 18, 2025 at 7:42:17 AM (PDT)
Saturday, October 18, 2025 at 14:42:17 (UTC)
Distance from Anza, CA - 3 km (2 miles) SSW (201 degrees)
Aguanga, CA - 19 km (12 miles) ENE (60 degrees)
Idyllwild, CA - 24 km (15 miles) S (173 degrees)
Palomar Observatory, CA - 25 km (16 miles) NE (41 degrees)
Warner Springs, CA - 28 km (17 miles) N (350 degrees)
Coordinates 33 deg. 31.7 min. N (33.528N), 116 deg. 41.2 min. W (116.686W)
Depth 9.11 km (5.70 miles)
Quality Good
Location Quality Parameters Nst=74, Nph=127, Dmin=6.3 km, Rmss=0.17 sec, Erho=0.12 km, Erzz=0.28 km, Gp=18 degrees
Event ID# ci41110767
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