| 对古浪8级大震孕育和发生的构造环境及发震模型的讨论 |
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| 引用本文： | 侯康明,邓起东.对古浪8级大震孕育和发生的构造环境及发震模型的讨论[J].中国地震,1999,15(4):339-348. |
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| 作者姓名： | 侯康明 邓起东 |
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| 作者单位： | [1]中国地震局兰州地震研究所 [2]中国地震局地质研究所 |
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| 基金项目： | 中国地震局“八五”重点项目!( 85 0 4 10 )的研究成果之一 |
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| 摘 要： | 通过近年来对古良８级大震的震源机制解、震区活动构造、地震活动性及深部地球物理资料的研究，进一步探讨古良大震孕育和发生的、浅部地质构造环境和地震地质模型。研究结果认为，古浪地震是在北东－南西向挤压应力作用下，造山前陆逆断层沿深部低角度滑脱带产生逆冲－推覆运动形成的最新活动结果。
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| 关 键 词： | 构造环境 逆冲－推覆构造 发震模型 地震 震级 |
Research on Tectonic Environment and Seismogenic Mechanism of 1927 Gulang Great Earthquake |
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| Hou Kangming,\ Deng Qidong,\ Liu Baichi.Research on Tectonic Environment and Seismogenic Mechanism of 1927 Gulang Great Earthquake[J].Earthquake Research in China,1999,15(4):339-348. |
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| Authors: | Hou Kangming \ Deng Qidong \ Liu Baichi |
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| Institution: | Hou Kangming 1) \ Deng Qidong 2) \ Liu Baichi 1) 1) |
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| Abstract: | In this paper,we have discussed the seismotectonic environment that located at the depth and shallow crust and seismology and geology model caused 1927 Gulang earthquake.According to the recent research concerning about the study of active fault,surface repture,fault plane solution,seismic activity,as well as the deep geophysical exploration data analysis in the epicentral area.The result shows that 1927 Gulang great earthquake caused by NE\|SW\|directed pressure thrusting.It was a latest event occurred in the reverse fault\|folding belt that developed along the intracrustal decollement. |
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| Keywords: | Tectonic environment\ Thrust\|overriding structure\ Seismogenic model\ Great earthquake |
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