2026-09-04 09:17:00 (M3.5) Oklahoma 35.0 -97.6 (86843)

M3.5 Earthquake - Oklahoma

Preliminary Report

Magnitude	3.5
Date-Time	Universal Time (UTC): 4 Sep 2026 09:17:01 Time near the Epicenter (1): 4 Sep 2026 04:17:01 Time in your area (1): 4 Sep 2026 03:17:01
Location	35.013N 97.627W
Depth	5 km
Distances	2.3 km (1.4 mi) S of Dibble, Oklahoma 28.6 km (17.7 mi) E of Chickasha, Oklahoma 28.9 km (17.9 mi) SW of Norman, Oklahoma 38.4 km (23.8 mi) SSW of Moore, Oklahoma 51.4 km (31.9 mi) S of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.0 km
Parameters	Nph = 90; Dmin = 10.3 km; Rmss = 0.45 seconds; Gp = 25° Version =
Event ID	ok 2026ried

(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
Oklahoma Seismic Network
University of Oklahoma

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