简析壳内隆起和拗陷构造在地震活动中的作用  

BRIEFLY ANALYZING THE ACTION OF UPLIFT AND HOLLOW IN THE CRUST ON SEISMIC ACTIVITY

作　　者：郭万武[1] 向光中[1] 吕德徽 胡存德 王建瑞 

机构地区：[1]国家地震局兰州地震研究所

出　　处：《内陆地震》1993年第1期65-73,共9页Inland Earthquake

摘　　要：用弹性理论对简单的壳内隆起和拗陷模型进行分析,结果表明:壳内隆起和拗陷轴部是环向拉压力和纵向拉压力作用最强的部位,其两侧是平错力作用最强的区域,因而隆起和拗陷中心部位应具有一定的控震作用。通过与安徽、山西和甘肃西部地区地震分布与壳内隆起和拗陷构造的对比分析,认为理论与实际符合较好。In this paper, the simple model of uplift and hollow in the crust is analyzed with elastic theory. The result shows that the central part of uplift and hollow is the maximum region of acting forces of longitudinal pressure and hoop tension, the bilateral of the centre is the maximum region of heave force ,so the central part might play a role in earthquake-controlling in some degrees. The theoretic result is also applied to discuss some actual problems in Gansu, Shanxi and Anhui provinces. The outcome proves that the theory fits the practice comparatively.

关 键 词：隆起 拗陷 控震作用 地震活动性 

分 类 号：P315.5[天文地球—地震学]