From a story on marginalrevolution.com by Tyler Cowen headlined “Where is the best place to live if a cataclysm comes?”:

My counterintuitive answer is northern Virginia, or at least the general DC area. I’m talking about asteroids, super-volcanos, and nuclear exchanges, not AGI risk.

If you live in a dense urban area, stay put — especially if, like me, you live in the suburbs of Washington, D.C.