Up on the 16th floor.  I was bouncing a little.

UPDATE:  They're evacuating buildings in D.C.  Facebook is going nuts.

The map below shows self-reports of who felt it and where:

5.9 is the official number.  It was a shallow quake, which is why it was felt up and now the Eastern seaboard.  

UPDATE:  Jeez, my mother in New Hampshire felt it.

Favorite tweet (so far) is from John Hodgman – This guy in the cafe and I agree that we liked the earthquake when it first started. But now it's like, the wrong people are into it.

* And there was a rare 5.3 in Colorado earlier today?  And Hurricane Irene's coming?

UPDATE:  Actual tweet from conservative pundit Roger Simon, about 1.5 hours after the rather undevastating earthquake: