Breakthrough: 2011 earthquake revealed wider impacts than previously thought possible

Description: People from the Carolinas to the Midwest to New England, including Maryland, knew the Aug. 23, 2011, 5.8 magnitude earthquake was rare as soon as they felt its rumblings. But U.S. Geological Survey research has show just how unusual – the quake triggered landslides over an area 20 times larger than previous research has shown to be possible or likely.

By Scott Dance, The Baltimore Sun

November 9, 2012