The earthquake risk to megacities

washingtonpost.com : Megacities are something new on the planet. Earthquakes are something very old. The two are a lethal combination, as seen in the recent tragedy in Port-au-Prince, where more than 200 000 people perished—a catastrophe that scientists say is certain to be repeated somewhere, and probably soon, with death tolls that once again stagger the mind. Related news story Disaster awaits cities in earthquake zones New York Times