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 4:21:40 PM (PDT) on Sunday, May 3, 2026.
The magnitude 1.0 event occurred 6 km (4 miles) SSW of Redlands, CA.
The hypocentral depth is 5 km ( 3 miles).


Magnitude 1.0 - local magnitude (Ml)
Time Sunday, May 3, 2026 at 4:21:40 PM (PDT)
Sunday, May 3, 2026 at 23:21:40 (UTC)
Distance from Redlands, CA - 6 km (4 miles) SSW (200 degrees)
Loma Linda, CA - 7 km (4 miles) SE (130 degrees)
Moreno Valley, CA - 9 km (6 miles) NNE (14 degrees)
Mentone, CA - 9 km (6 miles) SW (223 degrees)
Grand Terrace, CA - 11 km (7 miles) ESE (106 degrees)
Coordinates 34 deg. 0.5 min. N (34.008N), 117 deg. 12.2 min. W (117.204W)
Depth 4.88 km (3.00 miles)
Quality Good
Location Quality Parameters Nst=36, Nph=56, Dmin=7.3 km, Rmss=0.16 sec, Erho=0.2 km, Erzz=0.38 km, Gp=47 degrees
Event ID# ci41240719
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