Measure The East Coast Earthquake's Intensity in Your Location Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Crowds stand on Wall Street after a 5.9 earthquake struck on August 23, 2011 in New York, United States. The epicenter of the 5.9 earthquake was located near Louisa in central Virginia. ( Andrew Burton / Getty ) Produced by PRI and WNYC