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 3:54:55 AM (PDT) on Saturday, April 4, 2026.
The magnitude 1.6 event occurred 4 km (2 miles) SSE of Redlands, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.6 - local magnitude (Ml)
Time Saturday, April 4, 2026 at 3:54:55 AM (PDT)
Saturday, April 4, 2026 at 10:54:55 (UTC)
Distance from Redlands, CA - 4 km (2 miles) SSE (167 degrees)
Mentone, CA - 6 km (4 miles) SSW (213 degrees)
Loma Linda, CA - 9 km (5 miles) ESE (110 degrees)
Moreno Valley, CA - 12 km (7 miles) NNE (26 degrees)
Calimesa, CA - 12 km (7 miles) WNW (288 degrees)
Coordinates 34 deg. 1.3 min. N (34.021N), 117 deg. 10.4 min. W (117.173W)
Depth 9.30 km (5.80 miles)
Quality Good
Location Quality Parameters Nst=83, Nph=149, Dmin=5.8 km, Rmss=0.18 sec, Erho=0.13 km, Erzz=0.31 km, Gp=26 degrees
Event ID# ci41432424
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