I came across this cool website a few weeks ago. It is a database that collects information about various disasters that have happend in the United States (and Canada) throughout history. The events are not necessarily major ones that make it into the history books, but ones that affected everyday people, even our ancestors. Many of them are gleaned from newspapers and other odd sources. You can search by state, disaster, or browse by year. It is also set up so you can comment and add information to an entry. I think it is so interesting to go through and read how they described the disaster and the people involved.
Take a look and see what sparks your interest.