灾害学2018，Vol.33Issue(1)：44-48,5.DOI:10.3969/j.issn.1000-811X.2018.01.009
深部构造对吉林省东部火山与深震活动影响
Influence of the Deep Geological Tectonics on the Volcano and Deep Earthquakes in the East Area of Jilin Province
摘要
Abstract
The east area of Jilin Province has a special tectonic position,in which there are Changbai Mountain volcano and deep-focus earthquakes.The Changbai Mountain volcanoes with a high potential eruption possibility,are one of the most dangerous volcano in China,and the deep earthquake region is one and only in China.So,we investigate the influence of deep geological tectonics on the volcano and deep earthquakes,which has important scientific and practical significances of disaster prevention and reduction.The rock lithological analysis and geodynamics numerical simulation were combined to discuss the origin and formation mechanism of volcano and deep earthquakes.The results show that the magma source is mostly close to primitive mantle and the volcanism is related to the slab deep subduction.The Pacific slab deep dehydration is proposed to be the dynamic source of the intra-plate volcanoes.Dehydration faulting formed during the subduction are considered as the feasible formation mechanisms of the deep earthquakes.Besides,we infer that there is a correlation between volcanism and deep earthquakes in the region.关键词
吉林省东部/火山/深源地震/深部构造Key words
east area of Jilin province/volcano/deep earthquake/deep geological tectonics分类
资源环境引用本文复制引用
马晗瑞,盛俭,杨清福..深部构造对吉林省东部火山与深震活动影响[J].灾害学,2018,33(1):44-48,5.基金项目
国家自然基金(41404071) （41404071）
中央级公益性科研院所基本科研业务专项(DQJB17B01) （DQJB17B01）
