2023-09-20 10:27:12 (M3.1) Oklahoma 34.5 -97.7 (86843)

M3.1 Earthquake - Oklahoma

Preliminary Report

Magnitude	3.1
Date-Time	Universal Time (UTC): 20 Sep 2023 10:27:12 Time near the Epicenter (1): 20 Sep 2023 05:27:12 Time in your area (1): 20 Sep 2023 04:27:12
Location	34.487N 97.722W
Depth	10 km
Distances	5.4 km (3.3 mi) NW of Velma, Oklahoma 21.7 km (13.4 mi) E of Duncan, Oklahoma 62.8 km (38.9 mi) ESE of Lawton, Oklahoma 63.6 km (39.4 mi) WNW of Ardmore, Oklahoma 110.4 km (68.4 mi) S of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 0.0 km; Vertical 0.0 km
Parameters	Nph = 70; Dmin = 16.2 km; Rmss = 0.85 seconds; Gp = 44° Version =
Event ID	ok 2023slmm

(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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