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 5:40:11 AM (PST) on Monday, February 17, 2025.
The magnitude 1.2 event occurred 5 km (3 miles) NNE (33 degrees) of San Bernardino, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.2 - local magnitude (Ml)
Time Monday, February 17, 2025 at 5:40:11 AM (PST)
Monday, February 17, 2025 at 13:40:11 (UTC)
Distance from San Bernardino, CA - 5 km (3 miles) NNE (33 degrees)
Highland, CA - 7 km (4 miles) NW (308 degrees)
Muscoy, CA - 7 km (5 miles) E (81 degrees)
Crestline, CA - 9 km (5 miles) SSE (168 degrees)
Colton, CA - 11 km (7 miles) NNE (24 degrees)
Coordinates 34 deg. 9.9 min. N (34.165N), 117 deg. 15.9 min. W (117.265W)
Depth 7.76 km (4.80 miles)
Quality Good
Location Quality Parameters Nst=63, Nph=103, Dmin=3.8 km, Rmss=0.18 sec, Erho=0.14 km, Erzz=0.42 km, Gp=27 degrees
Event ID# ci40187554
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