The biggest thing is to know your area. I live in WV where we flood and have winter storms as our two biggest natural disasters. When I moved here I shopped for a house that was above the floodplain. This minimizes my exposure to the threat of floods and was done naturally by me because I think about those kinds of things. The other natural disaster is winter storms, which I prepare for each fall by going over my checklist to make sure I have all the bases covered for the coming winter. I find that being ready for this kinds of things makes you ready to face most other things that are likely to come your way.