Tunami i uually caued by h2 earthquake that happen in ocean.Great ea wave will be puhed toward the hore with great peed.If the people along the hore don‘t know tunami i coming,they will uffer great damage.For example,the tunami,which happened in the Indian Ocean on December 26,2004,killed more than 150,000 people in Indoneia,Sir Lanka,India,Thailand and other countrie.Million of people were injured and became homele.
Tunami i a natural diater.We hould et up more advanced warning ytem along the hore,on the iland and in man-made taellite.Beide,we hould protect our ocean further intead of detroying them.