2004年12月26日,在印度尼西亚苏门答腊岛北端距海岸几公里处的印度洋海底,发生了里氏9级强烈地震,继而引发巨大海啸,沿岸近十个国家受到海啸重创,死亡人数已经超过16万,数百万人无家可归。受灾地区饮用水受到污染,传染病和流行病时有发生。这是近年来世界上造成损失最严重的自然灾害。 On December 26, 2004, a magnitude 9 Richter scale earthquake hit the Indian Ocean a few kilometers from the coast at the northern end of Sumatra, Indonesia, which triggered a massive tsunami. Nearly 10 countries along the coast were hit hard by the tsunami, killing more than 160,000 Millions of people are homeless. Drinking water in affected areas is polluted, infectious diseases and epidemics occur from time to time. This is the most devastating natural disaster in the world in recent years.