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 12:19:10 PM (PDT) on Sunday, October 19, 2025.
The magnitude 0.6 event occurred 7 km (4 miles) S of Lytle Creek, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 0.6 - local magnitude (Ml)
Time Sunday, October 19, 2025 at 12:19:10 PM (PDT)
Sunday, October 19, 2025 at 19:19:10 (UTC)
Distance from Lytle Creek, CA - 7 km (4 miles) S (177 degrees)
Devore, CA - 9 km (6 miles) WSW (255 degrees)
Rancho Cucamonga, CA - 12 km (7 miles) NE (42 degrees)
Fontana, CA - 12 km (7 miles) NNW (344 degrees)
Muscoy, CA - 15 km (9 miles) WNW (290 degrees)
Coordinates 34 deg. 12.0 min. N (34.200N), 117 deg. 29.7 min. W (117.495W)
Depth 13.17 km (8.20 miles)
Quality Good
Location Quality Parameters Nst=9, Nph=13, Dmin=0.9 km, Rmss=0.13 sec, Erho=0.42 km, Erzz=0.81 km, Gp=129 degrees
Event ID# ci41111391
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