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地震作为一种特大自然灾害,它频繁发生,给人类的生命财产带来了难以估量的损失,在刚刚过去的20世纪,发生在我国的大地震就写下了令人触目惊心、悲痛难忘的一页:1920年,宁夏海原8.5级大地震造成20万人死亡;1932年甘肃7.6级大地震使7万余人罹难;1970年云南南部7.7级大地震,死亡1万余人;1976年7月28日的唐山7.8级大地震,更是造成24万多人死亡,成为20世纪地震史上最悲惨的大地震,其后的云南丽江地震、河北张北地震等无不造成大量人员伤亡,造成的财
As a catastrophic natural disaster, the earthquake took place frequently and caused incalculable losses to human beings’ lives and property. In the past twentieth century, the earthquakes that took place in our country wrote an astonishing and sad unforgettable moment Page: 1920, Ningxia Haiyuan 8.5 earthquake caused 200000 deaths; 1932 Gansu 7.6 earthquake killed more than 70,000 people; South Yunnan 7.7 earthquake in 1970, more than 10,000 people died; July 1976 The Tangshan earthquake of magnitude 7.8 on the 28th caused more than 240,000 deaths and became the most tragic earthquake in the history of the 20th century. Afterwards, many earthquakes such as the Lijiang earthquake in Yunnan and the Zhangbei earthquake in Hebei all caused heavy losses