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 #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 4:25:08 AM (PDT) on Thursday, June 4, 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 Thursday, June 4, 2026 at 4:25:08 AM (PDT)
Thursday, June 4, 2026 at 11:25:08 (UTC)
Distance from Redlands, CA - 6 km (4 miles) SSW (202 degrees)
Loma Linda, CA - 7 km (4 miles) SE (132 degrees)
Moreno Valley, CA - 9 km (6 miles) NNE (13 degrees)
Grand Terrace, CA - 10 km (6 miles) ESE (107 degrees)
Mentone, CA - 10 km (6 miles) SW (223 degrees)
Coordinates 34 deg. 0.4 min. N (34.007N), 117 deg. 12.3 min. W (117.206W)
Depth 5.28 km (3.30 miles)
Quality Good
Location Quality Parameters Nst=58, Nph=99, Dmin=7.2 km, Rmss=0.19 sec, Erho=0.15 km, Erzz=0.35 km, Gp=27 degrees
Event ID# ci41479984
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