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 2:22:09 PM (PDT) on Friday, August 22, 2025.
The magnitude 0.9 event occurred 6 km (4 miles) WSW of Anza, CA.
The hypocentral depth is 4 km ( 3 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Friday, August 22, 2025 at 2:22:09 PM (PDT)
Friday, August 22, 2025 at 21:22:09 (UTC)
Distance from Anza, CA - 6 km (4 miles) WSW (240 degrees)
Aguanga, CA - 15 km (9 miles) NE (53 degrees)
Palomar Observatory, CA - 22 km (14 miles) NNE (32 degrees)
Idyllwild, CA - 24 km (15 miles) S (183 degrees)
Warner Springs, CA - 29 km (18 miles) NNW (341 degrees)
Coordinates 33 deg. 31.5 min. N (33.526N), 116 deg. 44.1 min. W (116.734W)
Depth 4.27 km (2.70 miles)
Quality Good
Location Quality Parameters Nst=41, Nph=73, Dmin=4.4 km, Rmss=0.16 sec, Erho=0.14 km, Erzz=0.28 km, Gp=33 degrees
Event ID# ci41271992
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