2026-05-09 01:40:23 (M3.4) Southern California 34.0 -117.2 (90be5)

M3.4 Earthquake - Southern California

Preliminary Report

Magnitude	3.4
Date-Time	Universal Time (UTC): 9 May 2026 01:40:23 Time near the Epicenter (1): 8 May 2026 18:40:23 Time in your area (1): 8 May 2026 17:40:23
Location	33.999N 117.213W
Depth	3 km
Distances	6.9 km (4.3 mi) SSW of Redlands, California 7.0 km (4.3 mi) NNE of Moreno Valley, California 7.1 km (4.4 mi) SE of Loma Linda, California 10.1 km (6.2 mi) ESE of Grand Terrace, California 223.5 km (138.5 mi) NW of Mexicali, Mexico
Location Uncertainty	Horizontal: 0.2 km; Vertical 0.5 km
Parameters	Nph = 146; Dmin = 6.8 km; Rmss = 0.25 seconds; Gp = 13° Version = 4
Event ID	ci 41459168

(1) Nominal Standard Time; local and daylight savings time zone may differ.
For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
CISN Southern California Management Center
Caltech Seismological Laboratory
U.S. Geological Survey

http://www.cisn.org/scmc.html
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