2021-08-22 10:42:52 (M3.6) Oklahoma 36.7 -97.7 (86843)

M3.6 Earthquake - Oklahoma

Preliminary Report

Magnitude	3.6
Date-Time	22 Aug 2021 10:42:52 UTC 22 Aug 2021 05:42:52 near epicenter 22 Aug 2021 04:42:52 standard time in your timezone
Location	36.702N 97.691W
Depth	1 km
Distances	9.2 km (5.7 mi) ESE of Jefferson, Oklahoma 37.9 km (23.5 mi) NNE of Enid, Oklahoma 54.1 km (33.5 mi) W of Ponca City, Oklahoma 70.6 km (43.8 mi) SW of Arkansas City, Kansas 137.8 km (85.5 mi) N of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 1.9 km; Vertical 1.4 km
Parameters	Nph = 122; Dmin = 48.3 km; Rmss = 0.50 seconds; Gp = 110° Version =
Event ID	ok 2021qknk

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
Oklahoma Seismic Network
University of Oklahoma

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