In an increasingly urbanized world, earthquakes threaten unprepared cities with mass destruction.Seismic risk mitigation is the greatest urban policy challenge that the world confronts today. If you consider that too strong a claim, try to imagine another way in which bad urban policy could kill a million people in 30 seconds. Yet the politics of earthquakes are rarely discussed, and when discussed, widely misunderstood. Take the Great East Japan Earthquake on March 11, which released 600 million times the energy of the Hiroshima bomb. The ensuing partial meltdown of the Fukushima reactor prompted international hysteria about nuclear power, but few...