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 10:58:57 AM (PST) on Tuesday, November 18, 2025.
The magnitude 1.5 event occurred 2 km (1 miles) SE of Lytle Creek, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.5 - local magnitude (Ml)
Time Tuesday, November 18, 2025 at 10:58:57 AM (PST)
Tuesday, November 18, 2025 at 18:58:57 (UTC)
Distance from Lytle Creek, CA - 2 km (1 miles) SE (133 degrees)
Devore, CA - 8 km (5 miles) WNW (291 degrees)
Rancho Cucamonga, CA - 16 km (10 miles) NNE (32 degrees)
Fontana, CA - 17 km (10 miles) N (352 degrees)
Muscoy, CA - 17 km (10 miles) NW (309 degrees)
Coordinates 34 deg. 14.9 min. N (34.248N), 117 deg. 29.0 min. W (117.484W)
Depth 6.82 km (4.20 miles)
Quality Good
Location Quality Parameters Nst=59, Nph=102, Dmin=1.5 km, Rmss=0.18 sec, Erho=0.15 km, Erzz=0.27 km, Gp=28 degrees
Event ID# ci41123575
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