text: was there ever an earthquake in pittsburgh, pa.?   the most recent quake (as of may 23, 2006) in pa happened on april 17, 2006 about 250 miles east of pittsburgh.  on september 25, 1998, there was a 5.2 earthquake about 75 miles northwest of pittsburgh.  it was felt in pittsburgh but there was little damage, even near the epicenter.