THE 5 STRONGEST EARTHQUAKES LOCATED LESS THAN 500Km AWAY (Source: USGS, Search since 1990) 27/08/1998 09:03:36 39.66N 77.34E Magnitude = 6.4 24/02/2003 02:03:41 39.61N 77.23E Magnitude = 6.3 25/02/1991 14:30:27 40.39N 78.96E Magnitude = 6.1 11/04/1997 05:34:42 39.53N 76.94E Magnitude = 6.1 19/03/1996 15:00:26 39.99N 76.70E Magnitude = 6.0