[Western Phil]

http://earthquake.usgs.gov/eqcenter/recenteqsww/Quakes/quakes_all.html

has it as a 4.5 located 8 miles east of Bone Gap, Illinois - displaced a little bit from the earlier one. Felt it here in Mahomet, IL while I was reading about the earlier one. Slept through that.

[Biblebelter]

http://www.reelfoot.com/new_madrid_earthquake.htm That location is not that far north of this quake.