The following websites may provide helpful information regarding natural disasters.
http://www.nmha.org/go/information/get-info/coping-with-disaster/helping-children-handle-disaster-related-anxiety
http://www.nctsn.org/
http://www.fema.gov/kids/quake.htm
http://www.historyforkids.org/scienceforkids/geology/earthquakes/
Free viewers are required for some of the attached documents. They can be downloaded by clicking on the icons below.