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 0:41:21 AM (PST) on Wednesday, November 5, 2025.
The magnitude 1.9 event occurred 1 km (1 miles) WNW of La Verne, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.9 - local magnitude (Ml)
Time Wednesday, November 5, 2025 at 0:41:21 AM (PST)
Wednesday, November 5, 2025 at 8:41:21 (UTC)
Distance from La Verne, CA - 1 km (1 miles) WNW (286 degrees)
San Dimas, CA - 3 km (2 miles) E (99 degrees)
Pomona, CA - 5 km (3 miles) NNW (338 degrees)
Claremont, CA - 5 km (3 miles) W (278 degrees)
Charter Oak, CA - 6 km (4 miles) E (90 degrees)
Coordinates 34 deg. 6.2 min. N (34.103N), 117 deg. 46.6 min. W (117.777W)
Depth 5.46 km (3.40 miles)
Quality Good
Location Quality Parameters Nst=102, Nph=179, Dmin=3.1 km, Rmss=0.22 sec, Erho=0.13 km, Erzz=0.32 km, Gp=16 degrees
Event ID# ci40481386
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