[traderrob6]

Just felt a major AS at 10:18AM at Olney. Was reported at 4.5

http://exposingtheleft.blogspot.com/2008/04/quake.html

[dragnet2]

Just felt a major AS at 10:18AM at Olney. Was reported at 4.5

Noticeable aftershocks could occur for the next two or three days, generally they will slowly diminish in strength.

Worst case scenario would be they start increasing in strength. Even to a small degree, that would not be good.