| 1219年宁夏固原地震考证与发震构造探讨 |
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| 引用本文： | 袁道阳,雷中生,张俊玲,刘百篪,梁明剑.1219年宁夏固原地震考证与发震构造探讨[J].地震学报,2008,30(6):648-657. |
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| 作者姓名： | 袁道阳 雷中生 张俊玲 刘百篪 梁明剑 |
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| 作者单位： | 1) 中国兰州730000中国地震局兰州地震研究所2) 中国兰州730000中国地震局地震预测研究所兰州科技创新基地 |
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| 基金项目： | 中国地震局地震预测研究所科研专项，国家自然科学基金(40372086)资助.中国地震局兰州地震研究所论著号:LC2008013 |
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| 摘 要： | 根据对历史地震资料的考证和实地调查，论证了公元1219年宁夏固原地震应为一次地震，而不是二次或三次地震。现行地震目录所给的地震参数宜做如下修正:发震时间为8月7日11时左右；地震重破坏区（Ⅷ度区）位于固原、平凉和隆德一带，极震区介于三者之间的固原附近；震中烈度ge;Ⅸ度，震级可达7级左右。本次地震重破坏区长轴方向为北北西向，大致与该区的六盘山逆掩推覆构造带的走向相吻合，其新构造活动导致了1219年固原地震的发生。
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| 关 键 词： | 固原地震& & 历史地震考证& & 发震构造& & 六盘山东麓断裂带 |
Textural research of 1219 A.D.Guyuan earthquake in Ningxia Hui Autonomous Region,China,and discussion on its causative structure |
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| Yuan Daoyang,Lei Zhongsheng,Zhang Junling,Liu Baichi,Liang Mingjian.Textural research of 1219 A.D.Guyuan earthquake in Ningxia Hui Autonomous Region,China,and discussion on its causative structure[J].Acta Seismologica Sinica,2008,30(6):648-657. |
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| Authors: | Yuan Daoyang Lei Zhongsheng Zhang Junling Liu Baichi Liang Mingjian |
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| Affiliation: | ?;1;2;1;1;2;1;2 |
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| Abstract: | On the basis of textural research on the historical earthquake data and the field investigation of 1219 A.D.Guyuan earthquake,we suggest that there is only onestrong earthquake occurred in Guyuan area in 1219 A.D.,instead of two or three strong earthquakes.We further suggest that the earthquake pa- rameters reported in the present earthquake catalogs are not definite and should be modified.The occurrence time of this earthquake should be about 11 am, August 7(local time),1219 A.D.and the heavily-damaged are... |
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| Keywords: | 1219 A D Guyuan earthquake textural research of historical earthquake causative structure eastern Liupan Shan piedmont fault |
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