RELATIONSHIP BETWEEN NEN-TRENDING ACTIVE STRIKE-SLIP FAULTS AND EARTHQUAKE HOT SPRING DISTRIBUTION IN EASTERN HUNAN AND WESTERN JIANGXI,CHINA
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摘要: 该文重点研究了湘东、赣西地区NNE向活动走滑断裂系与地震和温泉分布之间的密切联系。结果表明:①研究区地震和温泉主要集中在3条NNE向主走滑断裂带及其伴生的P、R'断裂带;②高温热泉或强震震中区的基本构造样式为走滑断层左行、左阶雁列带和拉分盆地构造;③陆壳结构分层特征是影响该区地震作用强度的一个重要因素。Abstract: The relationship between the active NEN-trending strike-slip faults and the distribution of earthquakes hot springs in the area of eastern Hunan and western Jiangxi of China has been studied. The results show that:(1) the earthquakes and hot springs are mostly located in the three main NEN-trending strike-slip fault zones and associated P,R' faults;(2) The basic structural patterns in the region of high temperature hot springs or strong earthquake epicentres comprise left-lateral en echelon faults and pull-apart basins;(3) the structural layering of the continental crust is thought to be one of the important factors that influence the seismicity in this area.
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