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 #3: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 4:12:05 AM (PST) on Saturday, November 22, 2025.
The magnitude 1.1 event occurred 1 km (1 miles) ESE of Loma Linda, CA.
The hypocentral depth is 16 km (10 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Saturday, November 22, 2025 at 4:12:05 AM (PST)
Saturday, November 22, 2025 at 12:12:05 (UTC)
Distance from Loma Linda, CA - 1 km (1 miles) ESE (118 degrees)
Grand Terrace, CA - 6 km (4 miles) E (80 degrees)
Redlands, CA - 6 km (4 miles) WSW (258 degrees)
Colton, CA - 7 km (4 miles) ESE (120 degrees)
San Bernardino, CA - 10 km (6 miles) SSE (157 degrees)
Coordinates 34 deg. 2.6 min. N (34.043N), 117 deg. 15.0 min. W (117.250W)
Depth 15.99 km (9.90 miles)
Quality Good
Location Quality Parameters Nst=48, Nph=84, Dmin=7.5 km, Rmss=0.17 sec, Erho=0.18 km, Erzz=0.38 km, Gp=59 degrees
Event ID# ci41125623
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