Myself? I heard a rumble and wondered if something had fallen down. Didn't feel any movement; no damage noted.
Shortly thereafter, my iPhone beeped at me; I've got the Red Cross Earthquake app set to send me alerts of any quakes over magnitude 3.5 within 250 miles:

Operational check: passed!
Originally posted at http://edschweppe.dreamwidth.org/152755.html - comment wherever you please.