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在研究各地区地震活动特征时,有两个基本条件必需考虑的,即各区的地壳结构和构造应力状态。本文主要根据我国和邻近地区的强烈地震的时间、空间分布,地壳厚度分布和震源机制所示的压应力方向等,讨论大地震与地壳结构和构造应力状态之间的相互关系、相互作用和影响。
In studying the characteristics of seismic activity in various regions, there are two basic conditions that must be considered: the crustal structure and tectonic stress state of each area. This paper mainly discusses the interrelationship, interaction and influence between the large earthquakes and the crustal structure and tectonic stress state based on the time and space distribution of strong earthquakes in our country and adjacent areas, the crustal thickness distribution and the direction of compressive stress shown by the focal mechanism .