5.8 magnitude quake strikes eastern US

http://www.nma.tv A 5.8 magnitude quake struck just Washington D.C. on Tuesday. Tweets about the earthquake reached New York City 30 seconds before the actual shockwaves. Because East Coasters are unused to seismic activity, many buildings were evacuated. Congressional business did not suffer. President Obama's putting, however, might have been affected. What will be the next disaster to inspire its own hashtag?