| 徐州活动断层探测项目主要断层活动性研究 |
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| 引用本文： | 张鹏,李丽梅,许汉刚,刘建达,李金良,顾勤平,王金艳,蒋新.徐州活动断层探测项目主要断层活动性研究[J].震灾防御技术,2014,9(4):801-812. |
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| 作者姓名： | 张鹏 李丽梅 许汉刚 刘建达 李金良 顾勤平 王金艳 蒋新 |
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| 作者单位： | 江苏省地震局，南京 210014;江苏省地震局，南京 210014;江苏省地震局，南京 210014;江苏省地震局，南京 210014;江苏省地震局，南京 210014;江苏省地震局，南京 210014;江苏省地震局，南京 210014;江苏省地震局，南京 210014 |
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| 基金项目： | 徐州市政府项目“徐州市新城区、开发区活断层探测与地震危险性评价”资助 |
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| 摘 要： | 对徐州市主要可能的发震断层开展了活动性探测及地震危险性评价工作,这对徐州市开展防震减灾工作具有重大意义.根据前人资料,分析了威胁徐州市区安全的主要5条隐伏断层,它们分别为幕集-刘集断裂、不老河断裂、废黄河断裂、班井断裂和邵楼断裂.同时根据徐州市活动断层探测项目的要求,针对这5条主要断层开展了浅层地震勘探、钻孔联合剖面探测、野外地震地质调查等相关工作,评价了这5条断层的活动历史、活动性质、规模、展布和地貌特征,及其最新活动时代.结果表明,废黄河断裂最新活动时代为中更新世中期,邵楼断裂最新活动时代为早更新世,这2条断层是目标区具备一定程度发震能力和地震危险性最大的断层.
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| 关 键 词： | 徐州 活动断层探测 活动性 废黄河断裂 浅层地震勘探 钻孔联合剖面 |
| 收稿时间： | 2013/12/14 0:00:00 |
Identification of Fault Activity in ＂Urban Active Fault Exploration and Seismic Risk Assessment in Xuzhou City＂ |
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| Zhang Peng,Li Limei,Xu Hangang,Liu Jiand,Li Jinliang,Gu Qinping,Wang Jinyan and Jiang Xin.Identification of Fault Activity in ＂Urban Active Fault Exploration and Seismic Risk Assessment in Xuzhou City＂[J].Technology for Earthquake Disaster Prevention,2014,9(4):801-812. |
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| Authors: | Zhang Peng Li Limei Xu Hangang Liu Jiand Li Jinliang Gu Qinping Wang Jinyan and Jiang Xin |
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| Institution: | Zhang Peng;Li Limei;Xu Hangang;Liu Jia;Li Jinliang;Gu Qinping;Wang Jinyan;Jiang Xin;Earthquake Administration of Jiangsu Province; |
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| Abstract: | Identification of fault activity and assessment of seismic risk to the main seismogenic faults of Xuzhou city is of great significance to earthquake disaster prevention and reduction in Xuzhou.The previous studies suggested that there exist five buried faults which have greater threat to Xuzhou：Muji-Liuji fault; Bulaohe fault;Feihuanghe fault; Banjing fault and Shaolou fault.In carrying out the project of＂Urban active fault exploration and seismic risk assessment in Xuzhou city＂,we conducted field geological survey,shallow artificial seismic exploration and drilling joint profiling work,and analyzed the active history and characteristics,the distribution,the topography features and the latest active times of these five faults.Our preliminary results indicate that Feihuanghe and Shaolou are two faults which have higher degree of seismogenic capability and greater seismic risk in the target zone with the latest active time of Q1 and Q2 respectively. |
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| Keywords: | Xuzhou Active fault exploration Fault activity Feihuanghe fault Shallow seismic exploration Composite drilling section |
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