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 #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 10:43:50 PM (PDT) on Saturday, August 23, 2025.
The magnitude 0.4 event occurred 10 km (6 miles) NE (52 degrees) of Aguanga, CA.
The hypocentral depth is 10 km ( 6 miles).


Magnitude 0.4 - local magnitude (Ml)
Time Saturday, August 23, 2025 at 10:43:50 PM (PDT)
Sunday, August 24, 2025 at 5:43:50 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) NE (52 degrees)
Anza, CA - 11 km (7 miles) WSW (238 degrees)
Palomar Observatory, CA - 18 km (11 miles) NNE (27 degrees)
Idyllwild, CA - 27 km (17 miles) S (191 degrees)
Warner Springs, CA - 28 km (17 miles) NNW (331 degrees)
Coordinates 33 deg. 30.0 min. N (33.501N), 116 deg. 46.6 min. W (116.777W)
Depth 9.98 km (6.20 miles)
Quality Good
Location Quality Parameters Nst=28, Nph=48, Dmin=2.9 km, Rmss=0.21 sec, Erho=0.29 km, Erzz=0.52 km, Gp=51 degrees
Event ID# ci41273000
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