I live in Japan where most cities are coastal and prone to tsunamis. A “right” kind of earthquake can generate a tsunami that will wipe out a good portion of a city. They happen at least once every 100 or so years. The question is should I worry about a potential earthquake of this magnitude in my lifetime or can I go about my life as normal? Probably both … but to a point I should move elsewhere? I don’t know. Easy to say yes, and very reasonable reaction but much harder to do in practice when your life is tied to one location in more ways than one.