中国位于世界两大地震带——环太平洋地震带与欧亚地震带之间,受太平洋板块、印度板块和菲律宾海板块的挤压,地震断裂带十分活跃。上世纪以来,中国共发生6级以上地震近800次,遍布除贵州、浙江两省和香港特别行政区以外所有的省、自治区、直辖市。中国地震活动频度高、强度大、震源浅,分布广,是一个震灾严重的国家。1900年以来,中国死于地震的人数 China is located between the two major earthquakes in the world, the Pacific Rim and the Eurasian Seismic Belt, and is squeezed by the Pacific Plate, the Indian Plate and the Philippine Sea Plate. The seismic fault zone is very active. Since the last century, there have been nearly 800 earthquakes of magnitude 6 or higher in all over China, covering all provinces, autonomous regions and municipalities except Guizhou and Zhejiang provinces and the Hong Kong Special Administrative Region. Earthquake activity in China is high frequency, intensity, shallow source, wide distribution, is a serious earthquake disaster in the country. Since 1900, China has died of an earthquake