Here are some links for assistance in case of a natural disaster:
FEMA (Federal Emergency Management Administration): www.fema.gov
CUSEC (Central United States Earthquake Consortium): www.cusec.org
Department of Homeland Security: www.dhs.gov
American Red Cross: www.redcross.org
Federal Bureau of Investgation: www.fbi.gov
Department of the Interior: www.doi.gov