Image
© USGS
Date-Time:
Friday, April 08, 2011 at 14:56:32 UTC

Friday, April 08, 2011 at 09:56:32 AM at epicenter

Location:
35.261°N, 92.362°W

Depth:
6.3 km (3.9 miles)

Region:
ARKANSAS

Distances:
4 km (3 miles) NE (34°) from Greenbrier, AR

8 km (5 miles) SE (138°) from Twin Groves, AR

8 km (5 miles) SSW (200°) from Guy, AR

21 km (13 miles) NNE (23°) from Conway, AR

58 km (36 miles) N (357°) from Little Rock, AR

419 km (260 miles) SSW (207°) from St. Louis, MO

Location Uncertainty:
horizontal +/- 0.4 km (0.2 miles); depth +/- 0.3 km (0.2 miles)

Parameters:
NST= 18, Nph= 24, Dmin=4 km, Rmss=0.19 sec, Gp= 68°, M-type="Nuttli" surface wave magnitude (mbLg), Version=B

Source:
Cooperative New Madrid Seismic Network

Event ID:
nm040811m