Earthquakes

The World's Most Earthquake-Vulnerable Cities
http://www.forbes.com/2007/12/04/earthquakes-india-japan-biz-cx_db_1203earthquakes.html

How to survive an earthquake
http://www.cnn.com/video/#/video/world/2008/05/16/mcedwards.intv.quake.survive.cnn

How earthquakes happen
http://news.bbc.co.uk/2/hi/science/nature/4126809.stm

1906 San Francisco earthquake
http://en.wikipedia.org/wiki/1906_San_Francisco_earthquake

1923 Great Kantō earthquake
http://en.wikipedia.org/wiki/1923_Great_Kant%C5%8D_earthquake

1976 Tangshan earthquake
http://en.wikipedia.org/wiki/1976_Tangshan_earthquake

1999 Chi-Chi earthquake
http://en.wikipedia.org/wiki/Chi-Chi_earthquake