Earthquake 4.2 M - ARKANSAS

USGS Email | 11/20/10 | USGS

[Keith in Iowa]

4.2 M - ARKANSAS

Preliminary Earthquake Report

Magnitude	4.2 M
Date-Time	20 Nov 2010 19:06:35 UTC 20 Nov 2010 13:06:35 near epicenter 20 Nov 2010 13:06:35 standard time in your timezone
Location	35.319N 92.301W
Depth	4 km
Distances	3 km (2 miles) E (101 degrees) of Guy, AR 10 km (6 miles) SW (227 degrees) of Quitman, AR 11 km (7 miles) E (89 degrees) of Twin Groves, AR 65 km (40 miles) N (2 degrees) of Little Rock, AR 411 km (255 miles) SSW (207 degrees) of St. Louis, MO
Location Uncertainty	Horizontal: 0.5 km; Vertical 0.5 km
Parameters	Nph = 24; Dmin = 3.0 km; Rmss = 0.20 seconds; Gp = 50° M-type = M; Version = B
Event ID	NM 112010q ***This event supersedes event USc0000dul.

For updates, maps, and technical information, see:
Event Page
or
USGS Earthquake Hazards Program

Center for Earthquake Research and Information
U.S. Geological Survey
University of Memphis

http://folkworm.ceri.memphis.edu

Disclaimer

[Cold Heart]

Yellowstone was recently active also, swarm of small quakes.

[Strategerist]

Earthquake swarms routinely happen throughout the world without leading to a major quake.

[John W]

Series of earthquakes shake Arkansas

Associated Press - November 20, 2010 8:54 PM ET

GUY, Ark. (AP) - A series of earthquakes, including one with a magnitude of 3.9, has rattled parts of central Arkansas.

http://www.wxvt.com/Global/story.asp?S=13543386

[Quix]

Oh recalibrate anyway.

You know how helpful doing so is to stalling the dissertation at least another week.

[GOPJ]

Interesting. Thanks for the ping.

[dragnet2]

Bookmark

[GOPJ]

Wonderful link - thanks.