Earthquake in northern Arkansas

2.5 Md - ARKANSAS
Preliminary Earthquake Report Magnitude 2.5 Md
Date-Time 11 Aug 2011 04:53:01 UTC
10 Aug 2011 23:53:01 near epicenter
10 Aug 2011 22:53:01 standard time in your timezone

Location 35.976N 93.311W
Depth 3 km
Distances 12 km (7 miles) WSW (252 degrees) of Jasper, AR
34 km (21 miles) SSW (211 degrees) of Harrison, AR
34 km (21 miles) SW (224 degrees) of Bellefonte, AR
136 km (84 miles) S (181 degrees) of Springfield, MO
401 km (249 miles) SW (224 degrees) of St. Louis, MO

Location Uncertainty Horizontal: 1.0 km; Vertical 2.9 km
Parameters Nph = 15; Dmin = 66.0 km; Rmss = 0.17 seconds; Gp = 93°
M-type = Md; Version = A
Event ID NM 081111a