M4.0 - OKLAHOMA

Preliminary Earthquake Report
Magnitude	4.0
Date-Time	1 Oct 2015 05:56:35 UTC 1 Oct 2015 00:56:36 near epicenter 30 Sep 2015 23:56:35 standard time in your timezone
Location	36.255N 97.237W
Depth	2 km
Distances	5 km (3 mi) SE of Perry, Oklahoma 22 km (13 mi) NW of Stillwater, Oklahoma 44 km (27 mi) NNE of Guthrie, Oklahoma 52 km (32 mi) SSW of Ponca City, Oklahoma 90 km (55 mi) NNE of Oklahoma City, Oklahoma
Location Uncertainty	Horizontal: 1.4 km; Vertical 7.7 km
Parameters	Nph = 46; Dmin = 48.8 km; Rmss = 0.42 seconds; Gp = 60° Version =
Event ID	us 10003jfb

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

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