Tsunami is a natural phenomenon that is common but very few can almost predict the tsunami. Therefore when the tsunami occurred
will cause damage and many casualties. However, to avoid the danger of a tsunami can be done by providing early warning to people who live and be around the beach. On some beaches as often the tsunami on the shores of Japan and the United States have been fitted with warning signs about the
potential tsunami. Beware Tsunami!. In some places even installed an alarm system that connects the tsunami detection equipment from authorized agencies warn. On some beaches in Japan in fact has made obstacle concrete walls in order to reduce the speed of the tsunami, also built a place of refuge. In this way the potential damage caused by the tsunami will be reduced.
Another way is to maintain the sustainability and integrity of the existing trees around the beach. If the land around the beach or the bare trees reduced the need for
reforestation efforts. Reforestation conducted along the coastline. More and more trees and planted around the coast to tsunami diminishing rate and inhibited, thereby reducing the damage caused by the tsunami.