Good Disaster Type Specific Sites

ALL
http://library.thinkquest.org/16132/frames.html

Hurricanes
http://www.hurricaneville.com/historic.html

Earthquakes and Volcanic Eruptions
http://www.infoplease.com/ipa/A0001439.html

Tornadoes
http://www.tornadoproject.com/alltorns/worstts.htm

Floods
http://www.emergency-management.net/flood.htm

Tsunamis
http://library.thinkquest.org/C003603/english/tsunamis/tenworst.shtml
(The Indian Ocean Tsunami of 2004 has to be added to the above list. Information for that one is below)
Indian Ocean 2004 Tsunami
http://iri.columbia.edu/~lareef/tsunami/

10 'Worst' Natural Disasters
http://www.eas.slu.edu/hazards.html