M4.0 - Oklahoma

Preliminary Earthquake Report
Magnitude	4.0
Date-Time	19 Dec 2017 11:26:20 UTC 19 Dec 2017 05:26:20 near epicenter 19 Dec 2017 05:26:20 standard time in your timezone
Location	36.543N 98.903W
Depth	5 km
Distances	3.7 km (2.3 mi) ENE of Heman, Oklahoma 45.3 km (28.1 mi) ENE of Woodward, Oklahoma 93.3 km (57.9 mi) W of Enid, Oklahoma 114.2 km (70.8 mi) N of Weatherford, Oklahoma 172.8 km (107.2 mi) NW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 2.6 km; Vertical 7.7 km
Parameters	Nph = 40; Dmin = 20.1 km; Rmss = 0.36 seconds; Gp = 109° Version =
Event ID	us 1000bt0b

For updates, maps, and technical information
see: Event Page or USGS Earthquake Hazards Program
National Earthquake Information Center
U.S. Geological Survey

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