M4.1 - OKLAHOMA

Preliminary Earthquake Report
Magnitude	4.1
Date-Time	12 Mar 2015 20:34:02 UTC 12 Mar 2015 15:34:02 near epicenter 12 Mar 2015 14:34:02 standard time in your timezone
Location	36.611N 97.673W
Depth	5 km
Distances	22 km (14 mi) SSE of Medford, Oklahoma 30 km (19 mi) NE of Enid, Oklahoma 53 km (33 mi) WSW of Ponca City, Oklahoma 75 km (47 mi) SW of Arkansas City, Kansas 127 km (79 mi) N of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 3.1 km; Vertical 7.0 km
Parameters	Nph = 80; Dmin = 30.5 km; Rmss = 0.48 seconds; Gp = 24° Version =
Event ID	us 10001lyg

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