Forces of Nature: ThinkQuest 2000 (Team #C003603)
http://library.thinkquest.org/C003603/english/earthquakes/index.shtml
A rumbling sound surprises you out of your sleep. Something is wrong. Suddenly, the earth begins to shake - your walls rattle, your lights swing, books fall off their shelves, and items crash to the floor. It’s an earthquake, awesome evidence of the moving, shifting nature of our constantly changing planet. To learn more, click on the links in this section!