Cool Facts

Source: Earthquakes: Witness to Diasaster by Judy and Dennis Fradin

"Jewish and Christian people of long ago believed that God sent earthquakes to punish the wicked."

"Earthquakes have been studied for only about 250 years."

Source: livescience.com

"There are about 500,00 earthquakes a year around the world, as detected by sensitive instruments. About 100,000 of those can be felt, and 100 or so cause damage each year. Each year the southern Caliornia area alone expereince about 10,000 earthquakes, most of them not felt by people."

"The sun and moon cause tremors. It's long been know that they create tides in the planet's crust, very minor versions of ocena tides."