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大陆是人类主要活动的地区,大陆地区所发生的地震虽然只占全球地震总数的15%,但是大陆地震的震源大多数较浅,震中又位于人口稠密和经济集中的地区,并且7级以上的灾害性大地震时有发生,给人类造成的损失却占全球地震所造成的损失的85%.由于地震现象是全球性的,把不同地震活动区之间的地震进行相互对比,将有利于对地震规律性认识的深化,并促进地震预报事业的发展,以减轻地震对人类所造成的灾害.
The mainland is the main area of human activities. Although the earthquakes in mainland China account for only 15% of the total earthquakes in the world, most of the earthquakes in the continent are shallow and the epicenter is located in a densely populated and economically intensive area. Disastrous earthquakes have occurred from time to time, causing human losses, which account for 85% of the losses caused by the earthquakes in the world. As seismic phenomena are global, comparing earthquakes between different seismic zones will be beneficial Deepen the understanding of the regularity of earthquakes and promote the development of earthquake prediction in order to reduce the disasters caused by earthquakes to human beings.