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 9:57:57 PM (PDT) on Saturday, July 19, 2025.
The magnitude 0.9 event occurred 6 km (4 miles) SE of Loma Linda, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.9 - local magnitude (Ml)
Time Saturday, July 19, 2025 at 9:57:57 PM (PDT)
Sunday, July 20, 2025 at 4:57:57 (UTC)
Distance from Loma Linda, CA - 6 km (4 miles) SE (136 degrees)
Redlands, CA - 6 km (4 miles) SSW (210 degrees)
Moreno Valley, CA - 9 km (6 miles) N (8 degrees)
Grand Terrace, CA - 10 km (6 miles) ESE (107 degrees)
Mentone, CA - 10 km (6 miles) SW (228 degrees)
Coordinates 34 deg. 0.6 min. N (34.009N), 117 deg. 12.9 min. W (117.215W)
Depth 3.13 km (1.90 miles)
Quality Good
Location Quality Parameters Nst=38, Nph=62, Dmin=7.9 km, Rmss=0.19 sec, Erho=0.19 km, Erzz=0.36 km, Gp=39 degrees
Event ID# ci41026775
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