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青藏高原东北部地区的区域地壳现今构造形变系统--陆壳浅源构造地震成因的新认识
引用本文:戴华光,陈文彬,张杰,陈永明,苏向洲,刘洪春.青藏高原东北部地区的区域地壳现今构造形变系统--陆壳浅源构造地震成因的新认识[J].西北地震学报,2000,22(2).
作者姓名:戴华光  陈文彬  张杰  陈永明  苏向洲  刘洪春
作者单位:中国地震局兰州地震研究所,甘肃,兰州,730000
基金项目:地震科学联合基金资助课题!(19810 0 )
摘    要:依据青藏高原东北部地区的大震 (MS≥ 7)、大震形变带、活动断裂和活动构造体系的资料 ,以地球系统科学、地质力学、地震地质学、现代地震学的理论和方法为主线 ,对该区内大震的“共性”进行了探讨 ,提出了具有三维空间动态的区域地壳现今构造形变系统的新概念 ,并对该区内地震的形成机制、分布规律等科学问题提出了新的见解 .

关 键 词:青藏高原  地壳形变  构造地震  地震成因

CURRENT TECTONIC DEFORMATION SYSTEM IN REGIONAL CRUST OF THE NORTHEASTERN QINGHAI-XIZANG PLATEAU--A NEW CONGNITION ON THE CAUSES OF SHALLOW CRUSTAL EARTHQUAKES
DAI Hua-guang,CHEN Wen-bin,ZHANG Jie,CHEN Yong-ming,SU Xiang-zhou,LIU Hong-chun.CURRENT TECTONIC DEFORMATION SYSTEM IN REGIONAL CRUST OF THE NORTHEASTERN QINGHAI-XIZANG PLATEAU--A NEW CONGNITION ON THE CAUSES OF SHALLOW CRUSTAL EARTHQUAKES[J].Northwestern Seismological Journal,2000,22(2).
Authors:DAI Hua-guang  CHEN Wen-bin  ZHANG Jie  CHEN Yong-ming  SU Xiang-zhou  LIU Hong-chun
Abstract:Based on the data of earthquakes (MS≥7),earthquake deformation zones,active faults and active tectonic system in northeastern Qinghai-Xizang Plateau,combined with the theories and methods of the earth system science,geological mechanics,seismogeology and modern seismology,the 'commonness' of the strong earthquakes in the region is discussed. A new concept,named as contemporary tectonic deformation system of the regional crust characterized by three dimensional dynamics is proposed.A new cognition on the mechanism and distribution of the earthquakes in the region is presented.
Keywords:Qinghai  Xizang Plateau  Crustal deformation  Tectonic earthquake  Seismogenesis
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