M3.7 - OKLAHOMA

Preliminary Earthquake Report
Magnitude	3.7
Date-Time	20 Apr 2015 12:08:31 UTC 20 Apr 2015 07:08:32 near epicenter 20 Apr 2015 06:08:31 standard time in your timezone
Location	36.822N 97.861W
Depth	2 km
Distances	11 km (7 mi) W of Medford, Oklahoma 47 km (29 mi) N of Enid, Oklahoma 70 km (43 mi) W of Ponca City, Oklahoma 77 km (48 mi) WSW of Arkansas City, Kansas 153 km (95 mi) NNW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 1.5 km; Vertical 7.8 km
Parameters	Nph = 73; Dmin = 3.6 km; Rmss = 0.65 seconds; Gp = 36° Version =
Event ID	us 200027s8

For updates, maps, and technical information, see: Event Page or USGS Earthquake Hazards Program

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