2023-09-25 00:40:31 (M3.9) Oklahoma 34.5 -97.8 (1cbfb)

[USGS ENS <ens@xxxxxxxxxxxx>]

M3.9 Earthquake - Oklahoma

Preliminary Report

Magnitude	3.9
Date-Time	Universal Time (UTC): 25 Sep 2023 00:40:31 Time near the Epicenter (1): 24 Sep 2023 19:40:31 Time in your area (1): 24 Sep 2023 16:40:31
Location	34.483N 97.780W
Depth	0 km
Distances	10.1 km (6.2 mi) WNW of Velma, Oklahoma 16.5 km (10.2 mi) E of Duncan, Oklahoma 57.7 km (35.8 mi) ESE of Lawton, Oklahoma 64.8 km (40.2 mi) SSE of Chickasha, Oklahoma 111.8 km (69.3 mi) SSW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.5 km; Vertical 1.5 km
Parameters	Nph = 84; Dmin = 38.6 km; Rmss = 0.85 seconds; Gp = 92° Version =
Event ID	ok 2023stwr

(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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