MINERAL, Va. (AP) — One of the strongest earthquakes ever recorded on the East Coast shook buildings and rattled nerves from South Carolina to New England on Tuesday and forced the evacuations of parts of the Capitol, White House and Pentagon.There were no immediate reports of deaths, but fire officials in Washington said there were at least some injuries. The U.S. Geological Survey said the quake registered at magnitude 5.8 and was centered about 40 miles northwest of Richmond, Va.Two nuclear reactors at the North Anna Power Station, in the same county as the epicenter, were automatically taken off line by safety systems, said Roger Hannah, a spokesman for the U.S. Nuclear Regulatory Commission.The earthquake came less than three weeks before the 10th anniversary of the Sept. 11 attacks, and in both Washington and New York it immediately triggered fears of something more sinister than a natural disaster.At the Pentagon, a low rumbling built until the building itself was shaking, and people ran into the corridors of the complex. The shaking continued there, to shouts of “Evacuate!