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

A micro earthquake occurred at 10:30:59 AM (PDT) on Thursday, September 24, 2026.
The magnitude 1.1 event occurred 6 km (3 miles) S of Redlands, CA.
The hypocentral depth is 15 km ( 9 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Thursday, September 24, 2026 at 10:30:59 AM (PDT)
Thursday, September 24, 2026 at 17:30:59 (UTC)
Distance from Redlands, CA - 6 km (3 miles) S (182 degrees)
Loma Linda, CA - 9 km (5 miles) SE (124 degrees)
Mentone, CA - 9 km (5 miles) SSW (213 degrees)
Moreno Valley, CA - 10 km (6 miles) NNE (25 degrees)
Grand Terrace, CA - 12 km (8 miles) ESE (105 degrees)
Coordinates 34 deg. 0.3 min. N (34.005N), 117 deg. 11.1 min. W (117.184W)
Depth 14.92 km (9.30 miles)
Quality Excellent
Location Quality Parameters Nst=37, Nph=61, Dmin=7.4 km, Rmss=0.14 sec, Erho=0.17 km, Erzz=0.31 km, Gp=32 degrees
Event ID# ci41338567
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