A smaller earthquake closely followed at 4 p.m.

2.0 Md - ARKANSAS
Preliminary Earthquake Report Magnitude 2.0 Md
Date-Time •18 Dec 2011 22:00:47 UTC
•18 Dec 2011 16:00:47 near epicenter
•18 Dec 2011 16:00:47 standard time in your timezone

Location 35.465N 92.226W
Depth 1 km
Distances •9 km (6 miles) N (356 degrees) of Quitman, AR
•12 km (8 miles) S (190 degrees) of Higden, AR
•14 km (8 miles) SSW (204 degrees) of Greers Ferry, AR
•82 km (51 miles) N (7 degrees) of Little Rock, AR
•393 km (244 miles) SSW (207 degrees) of St. Louis, MO

Location Uncertainty Horizontal: 1.9 km; Vertical 2.4 km
Parameters Nph = 14; Dmin = 12.0 km; Rmss = 0.17 seconds; Gp = 140°
M-type = Md; Version = A