Everyone knows earthquakes can really
...
But do you know what causes earthquakes? Check out the links below to find out this answer, plus a whole lot more.
http://www.fema.gov/kids/quake.htm
http://www.fema.gov/kids/p_eq.htm
http://www.fema.gov/kids/eqstate.htm
http://www.weatherwizkids.com/earthquake1.htm
earthquakes