By and large people don't go crazy looting during disasters. The idea that the moment authority disappears, we instantly devolve in to dog-eat-dog anarchy is a

By and large people don't go crazy looting during disasters. The idea that the moment authority disappears, we instantly devolve in to dog-eat-dog anarchy is a myth - mostly promulgated by those who feel it's their job to be the one in charge. There are notable exceptions, of course, but for the most part people can do a pretty good job of policing themselves.