Natural Disaster Reference Database - Bibliographic database on research, programs, and results which relate to the use of satellite remote sensing for disaster mitgation.
Natural Disasters: Destructive Forces of Nature - This is a fun, interesting, and highly educational resource to learn all about Natural Disasters and the effects that they have on our planet.
Natural Hazards Databases at NGDC - This database, from NOAA and the National Geophysical Data Center, provides post+event information on many types of natural hazards.