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 9:24:13 PM (PDT) on Saturday, July 19, 2025.
The magnitude 1.0 event occurred 7 km (4 miles) WSW of Anza, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Saturday, July 19, 2025 at 9:24:13 PM (PDT)
Sunday, July 20, 2025 at 4:24:13 (UTC)
Distance from Anza, CA - 7 km (4 miles) WSW (238 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 (184 degrees)
Warner Springs, CA - 28 km (18 miles) NNW (340 degrees)
Coordinates 33 deg. 31.3 min. N (33.522N), 116 deg. 44.3 min. W (116.738W)
Depth 3.93 km (2.40 miles)
Quality Good
Location Quality Parameters Nst=54, Nph=97, Dmin=4.8 km, Rmss=0.19 sec, Erho=0.14 km, Erzz=0.33 km, Gp=21 degrees
Event ID# ci41026751
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