Magnitude 2.9 Earthquake of OKLAHOMA USA 2013 April 04

2013 April 04 00:32:35 UTC : OKLAHOMA USA EARTHQUAKE

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Magnitude: 2.9

Date-Time: Thursday, April 04, 2013 at 00:32:35 UTC

Wednesday, April 03, 2013 at 07:32:35 PM at epicenter

Earthquake data:

Location : 34.973°N, 95.978°W

Depth : 4.1 km (2.5 miles) (poorly constrained)

Region : OKLAHOMA

Distances:

a) 19 km (11 miles) WNW of McAlester, Oklahoma

b) 67 km (41 miles) ENE of Ada, Oklahoma

c) 72 km (44 miles) S of Okmulgee, Oklahoma

d) 94 km (58 miles) ESE of Shawnee, Oklahoma

Location Uncertainty: horizontal +/- 14.3 km (8.9 miles); depth +/- 13 km (8.1 miles)

Parameters: NST= 19, Nph= 30, Dmin=70.1 km, Rmss=1.13 sec, Gp=104°, M-type="Nuttli" surface wave magnitude (mbLg), Version=6