Magnitude 2.5 Earthquake of ARKANSAS 2012 May 09

2012 May 09 15:45:55 UTC:ARKANSAS

Magnitude: 2.5

Date-Time : Wednesday, May 09, 2012 at 15:45:55 UTC
Wednesday, May 09, 2012 at 10:45:55 AM at epicenter

Location : 35.304°N, 92.046°W
Depth : 0.1 km (~0.1 mile) (poorly constrained)

Region : ARKANSAS
Distances:

a) 4 km (3 miles) SE (136°) from Rose Bud, AR
b) 18 km (11 miles) ESE (119°) from Quitman, AR

c) 68 km (42 miles) NNE (22°) from Little Rock, AR

d) 403 km (250 miles) SSW (204°) from St. Louis, MO

Location Uncertainty: horizontal +/- 0.9 km (0.6 miles); depth +/- 1.3 km (0.8 miles)

Parameters : NST= 21, Nph= 30, Dmin=22 km, Rmss=0.18 sec, Gp= 50°, M-type="Nuttli" surface wave magnitude (mbLg), Version=A