| 1500年宜良地震地表形变带的考证 |
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| 引用本文： | 俞维贤,申旭辉.1500年宜良地震地表形变带的考证[J].地震研究,1995,18(4):405-411. |
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| 作者姓名： | 俞维贤 申旭辉 |
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| 作者单位： | 云南省地震局，国家地震局地质研究所 |
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| 基金项目： | 国家地震局85－02－01－04重点科研项目 |
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| 摘 要： | 据历史记载１５００年在宜良一带发生了一次强烈地震，由前人对该次地震无较详细的现 场实地考查资料，因此对这次地震认识说法不一。１９９２年作者对该次地震进行了实地考证。发现和确认了这次地震十分丰富的地震地表形变带，现存长度达８１公里，最大左旋水平位错量９至１１米。研究结果表明该次地震的发震构造为小新街－徐家渡断裂，震级接近８级。
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| 关 键 词： | 历史地震 调查 地震破裂 震级 云南 地表变形带 |
TEXTURAL RESEARCH ON SURFACE DEFORMATION BELT OF YILIANG EARTHQUAKE IN 1500 |
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| Yu Weixian, Li Zhixiang, Hou Xueying.TEXTURAL RESEARCH ON SURFACE DEFORMATION BELT OF YILIANG EARTHQUAKE IN 1500[J].Journal of Seismological Research,1995,18(4):405-411. |
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| Authors: | Yu Weixian Li Zhixiang Hou Xueying |
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| Abstract: | A strong earthquake happened around Yiliang county in 1500 according to historical records. Recognization to this earthquake has been different,because predecessors did not make detailed site investigation. The authors made site textural research to the earthquake in 1992, found and confirmed some useful data that there existed a lot of surface deformation belts with existing length of 81 km and 9-1lm of maximum left lateral level dislocation. The results show that earthquake-generating structure was Xiaoxinjie-Xujiadu faults, magnitude close to 8. |
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| Keywords: | Historical earthquake survey Seismic rupture Rupture length Dislocation Magnitude Yunnan |
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