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 6:19:14 AM (PDT) on Sunday, October 5, 2025.
The magnitude 1.3 event occurred 5 km (3 miles) SSW of Lytle Creek, CA.
The hypocentral depth is 12 km ( 8 miles).


Magnitude 1.3 - local magnitude (Ml)
Time Sunday, October 5, 2025 at 6:19:14 AM (PDT)
Sunday, October 5, 2025 at 13:19:14 (UTC)
Distance from Lytle Creek, CA - 5 km (3 miles) SSW (193 degrees)
Devore, CA - 10 km (6 miles) W (265 degrees)
Rancho Cucamonga, CA - 12 km (7 miles) NNE (32 degrees)
Fontana, CA - 14 km (9 miles) NNW (339 degrees)
Muscoy, CA - 17 km (10 miles) WNW (293 degrees)
Coordinates 34 deg. 12.8 min. N (34.213N), 117 deg. 30.7 min. W (117.512W)
Depth 12.08 km (7.50 miles)
Quality Good
Location Quality Parameters Nst=69, Nph=129, Dmin=1.3 km, Rmss=0.17 sec, Erho=0.14 km, Erzz=0.3 km, Gp=42 degrees
Event ID# ci41103023
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