| 2011??¯??5.3????-????5.4??????????????仯 |
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| 引用本文： | 郑兵,王双洪,苏琴,李菲菲.2011??ˉ??5.3????-????5.4??????????????仯[J].大地测量与地球动力学,2012,32(6):37-40. |
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| 作者姓名： | 郑兵 王双洪 苏琴 李菲菲 |
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| 作者单位： | 四川省地震局测绘工程院,雅安,625000 |
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| 基金项目： | 四川省地震局专项(2200450) |
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| 摘 要： | ??2011??4??ˉ??Ms5.3??11????-????Ms5.4????????????????????????о????????????????????仯??????????-????????-????????????????????????????????????-??????????????????????????????????????????????????????????????
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| 关 键 词： | ?????? ?????????? ???? ????????? ????? |
GRAVITY CHANGES BEFORE LUHUO Ms5.3 AND QINGCHUAN-WENXIAN Ms5.4 EARTHQUAKES,2011 |
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| Zheng Bing,Wang Shuanghong,Su Qin and Li Feifei.GRAVITY CHANGES BEFORE LUHUO Ms5.3 AND QINGCHUAN-WENXIAN Ms5.4 EARTHQUAKES,2011[J].Journal of Geodesy and Geodynamics,2012,32(6):37-40. |
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| Authors: | Zheng Bing Wang Shuanghong Su Qin and Li Feifei |
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| Institution: | (Surveying Engineering Institute,Earthquake Administration of Sichuan Province,Yaan 62500) |
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| Abstract: | Dynamic evolution characteristics of the gravity field before Luhuo Ms5.3 on April 10，2011 and Qingchuan-WenxianMs5.4 on November 1，2011 are studied. The result shows that the up speed up speed down variations of the gravity field emerged before those earthquakes.The variations of the gravity field formed dense，positive anomaly and closed contours in the place where it is the intersection of Xianshuihe，Longmensan and An’ninghe faults. |
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| Keywords: | gravity field dynamic evolution characteristics earthquake intersection of faults contours |
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