M3.1 - OKLAHOMA

Preliminary Earthquake Report
Magnitude	3.1
Date-Time	12 Apr 2015 12:10:35 UTC 12 Apr 2015 07:10:36 near epicenter 12 Apr 2015 06:10:35 standard time in your timezone
Location	36.701N 97.915W
Depth	2 km
Distances	20 km (12 mi) SW of Medford, Oklahoma 34 km (21 mi) N of Enid, Oklahoma 74 km (46 mi) W of Ponca City, Oklahoma 87 km (54 mi) WSW of Arkansas City, Kansas 141 km (87 mi) NNW of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 1.6 km; Vertical 7.6 km
Parameters	Nph = 75; Dmin = 17.7 km; Rmss = 0.30 seconds; Gp = 43° Version =
Event ID	us 200025xn

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

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