M3.1 - OKLAHOMA

Preliminary Earthquake Report
Magnitude	3.1
Date-Time	23 Apr 2015 05:20:01 UTC 23 Apr 2015 00:20:01 near epicenter 22 Apr 2015 23:20:01 standard time in your timezone
Location	36.614N 97.659W
Depth	2 km
Distances	22 km (14 mi) SSE of Medford, Oklahoma 31 km (19 mi) NE of Enid, Oklahoma 52 km (32 mi) WSW of Ponca City, Oklahoma 74 km (46 mi) SW of Arkansas City, Kansas 127 km (79 mi) N of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 1.3 km; Vertical 7.6 km
Parameters	Nph = 35; Dmin = 31.8 km; Rmss = 0.39 seconds; Gp = 60° Version =
Event ID	us 200028i7

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

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