A surprisingly strong 5.9 earthquake rocked Virginia and Washington D.C. on Tuesday, causing panic in the nation's capital. The quake caused buildings to sway, while the Pentagon and White House were both evacuated. Although the epicenter was in southern Virginia, people said they felt the earth move in Pittsburgh, the Carolinas and New York. Not to be outdone, Colorado also experienced a different 5.3-magnitude earthquake on Tuesday. It was the most powerful earthquake there in 40 years. Here is a news report and one individual's video of the east coast quake.