2002 An earthquake measuring 6.5 Mw struck a region of northwestern Iran killing 261 people causing widespread fear due to a slow official response.
2007 An F5 tornado struck Elie, Manitoba in Canada destroying part of the town, but with no fatalities or injuries.
EF stands for Enhanced Fujita Scale. This is a method of rating the intensity of tornadoes based on the amount of damage they cause. There are six categories ranging from 0 to 5 with 5 being the most severe. An EF 5 tornado has wind speeds over 200 mph and total destruction of buildings.