http://earthquake.usgs.gov/earthquakes/dyfi/events/se/082311a/us/index.html
http://earthquake.usgs.gov/earthquakes/dyfi/events/se/082311a/us/index.html
Click on the Zoom Out Map
It was felt all the way to Quebec North and Alabama in the South......to the West it was even felt in Chicago and East of Nashville TN. That's pretty wide spread for a 5.8M.