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 3:21:26 PM (PDT) on Saturday, September 27, 2025.
The magnitude 1.1 event occurred 10 km (6 miles) ENE (61 degrees) of Aguanga, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Saturday, September 27, 2025 at 3:21:26 PM (PDT)
Saturday, September 27, 2025 at 22:21:26 (UTC)
Distance from Aguanga, CA - 10 km (6 miles) ENE (61 degrees)
Anza, CA - 11 km (7 miles) SW (229 degrees)
Palomar Observatory, CA - 17 km (11 miles) NNE (32 degrees)
Warner Springs, CA - 26 km (16 miles) NNW (332 degrees)
Lake Henshaw, CA - 27 km (17 miles) N (359 degrees)
Coordinates 33 deg. 29.3 min. N (33.488N), 116 deg. 46.0 min. W (116.766W)
Depth 7.81 km (4.90 miles)
Quality Good
Location Quality Parameters Nst=57, Nph=100, Dmin=4.2 km, Rmss=0.2 sec, Erho=0.15 km, Erzz=0.45 km, Gp=18 degrees
Event ID# ci41099815
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