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据专家预测,21世纪,人类面临的四大自然灾害是地震、干旱、水灾和台风。 地震仍将给人类带采巨大威胁。虽然地震的次数并没有明显增加,但随着世界人口不断膨胀,愈来愈多的人口移居沿海城市和地震带,高楼大厦不断兴建,受到地震及台风威胁的人数将不断上升。地震学家估计,20世纪有100万人死于地震。而21世纪前20年,约有2900乃至7000万人受到地震的影响。世界上的大城市有三分之一靠近颤动的板块边缘。受地震威胁的大城市,除拉斯维加斯、东京及台北外,还包括希腊的雅典、土耳
According to experts, the four major natural disasters humankind faces in the 21st century are earthquakes, droughts, floods and typhoons. The earthquake will still pose a huge threat to humanity. Although the number of earthquakes has not increased significantly, as the world’s population continues to expand, more and more people migrate to coastal cities and seismic belts. The number of skyscrapers and buildings under construction will continue to rise, threatening earthquakes and typhoons. Seismologists estimate that 100 million people died of earthquakes in the 20th century. In the first two decades of the 21st century, about 2900 to 70 million people were affected by the earthquake. One-third of the big cities in the world are near the edge of the quivering plate. The big cities threatened by the earthquake include Las Vegas, Tokyo and Taipei as well as Athens, Turkey