Hi, You can use this link to learn more about Tsunamis (Purely educational). http://science.howstuffworks.com/tsunami.htm If you're interested www.howstuffworks.com offers free subscription of a weekly newsletter with various topics of How Stuff Works. Have a nice day, Orly **************************** øùú äîåøéí ìâéàåâøôéä http://geography.boker.org.il ìôøèéí åîéãò ðåñó òì øùú äîåøéí åòì øùéîú äúôåöä ðà ìôðåú àì çðä ñéåï hannah@xxxxxxxxxxxx ****************************