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 3:25:39 AM (PST) on Monday, February 17, 2025.
The magnitude 0.8 event occurred 5 km (3 miles) SE of Loma Linda, CA.
The hypocentral depth is 13 km ( 8 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Monday, February 17, 2025 at 3:25:39 AM (PST)
Monday, February 17, 2025 at 11:25:39 (UTC)
Distance from Loma Linda, CA - 5 km (3 miles) SE (144 degrees)
Redlands, CA - 7 km (4 miles) SW (220 degrees)
Grand Terrace, CA - 8 km (5 miles) ESE (108 degrees)
Moreno Valley, CA - 9 km (6 miles) N (0 degrees)
Colton, CA - 11 km (7 miles) SE (132 degrees)
Coordinates 34 deg. 0.6 min. N (34.011N), 117 deg. 13.7 min. W (117.228W)
Depth 12.73 km (7.90 miles)
Quality Good
Location Quality Parameters Nst=24, Nph=40, Dmin=8.7 km, Rmss=0.2 sec, Erho=0.33 km, Erzz=0.65 km, Gp=93 degrees
Event ID# ci40187506
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