websites

http://www.10000words.net/2008/09/how-internet-is-changing-how-natural.html 

http://www.readwriteweb.com/archives/report_in_emergencies_people_turn_to_social_media.phphttp://www.fema.gov/kids/dizarea.html

http://websearch.about.com/od/effectivesearchstrategies/a/naturaldisaster.html

http://en.wikipedia.org/wiki/List_of_natural_disasters_by_death_toll

http://science.nationalgeographic.com/science/earth/natural-disasters

http://www.csa.com/discoveryguides/archives/ndht.php

ttp://science.nationalgeographic.com/science/earth/earths-atmosphere/weather-forces.html