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

A micro earthquake occurred at 10:28:00 PM (PDT) on Monday, July 21, 2025.
The magnitude 0.2 event occurred 6 km (4 miles) WSW of Anza, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.2 - local magnitude (Ml)
Time Monday, July 21, 2025 at 10:28:00 PM (PDT)
Tuesday, July 22, 2025 at 5:28:00 (UTC)
Distance from Anza, CA - 6 km (4 miles) WSW (241 degrees)
Aguanga, CA - 16 km (10 miles) NE (53 degrees)
Palomar Observatory, CA - 23 km (14 miles) NNE (33 degrees)
Idyllwild, CA - 24 km (15 miles) S (182 degrees)
Warner Springs, CA - 29 km (18 miles) NNW (342 degrees)
Coordinates 33 deg. 31.7 min. N (33.529N), 116 deg. 43.8 min. W (116.730W)
Depth 6.35 km (3.90 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=24, Dmin=4.1 km, Rmss=0.09 sec, Erho=0.18 km, Erzz=0.39 km, Gp=61 degrees
Event ID# ci41028279
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