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

A micro earthquake occurred at 5:57:11 PM (PDT) on Sunday, September 28, 2025.
The magnitude 0.8 event occurred 7 km (4 miles) NW of Anza, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Sunday, September 28, 2025 at 5:57:11 PM (PDT)
Monday, September 29, 2025 at 0:57:11 (UTC)
Distance from Anza, CA - 7 km (4 miles) NW (306 degrees)
Idyllwild, CA - 17 km (10 miles) S (185 degrees)
Aguanga, CA - 20 km (13 miles) NE (36 degrees)
Valle Vista, CA - 23 km (14 miles) SE (140 degrees)
Hemet, CA - 28 km (17 miles) SE (128 degrees)
Coordinates 33 deg. 35.4 min. N (33.591N), 116 deg. 44.0 min. W (116.734W)
Depth 12.25 km (7.60 miles)
Quality Good
Location Quality Parameters Nst=42, Nph=75, Dmin=2.8 km, Rmss=0.15 sec, Erho=0.16 km, Erzz=0.35 km, Gp=40 degrees
Event ID# ci41100391
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