| 冀鲁豫地区重力场变化与封丘ML4.8地震关系的探讨 |
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| 引用本文： | 冯建林,秦建增,李德庆,黄邦武,张亚宁,陈春菊,徐顺强. 冀鲁豫地区重力场变化与封丘ML4.8地震关系的探讨[J]. 大地测量与地球动力学, 2009, 29(Z1): 7-10 |
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| 作者姓名： | 冯建林 秦建增 李德庆 黄邦武 张亚宁 陈春菊 徐顺强 |
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| 作者单位： | 中国地震局地球物理勘探中心,郑州,450002 |
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| 基金项目： | 中国地震局地球物理勘探中心青年科学基金 |
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| 摘 要： | 利用冀鲁豫测网的流动重力5期观测成果，探讨了重力场变化与封丘地震的关系。研究发现：冀鲁豫交界地区的重力点值在封丘地震前后出现了下降-上升-下降的变化过程，较好地对应了封丘ML4.8地震孕育 发震 震后调整的过程。该重力变化可能是封丘地震的异常反映。
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| 关 键 词： | 冀鲁豫测网 封丘地震 重力变化 异常 震后调整 |
DISCUSSION ON RELATION BETWEEN VARIATIONS OF GRAVITY FIELD IN HEBEI-SHANDONG-HENAN AREA AND FENGQIU M_L 4.8 EARTHQUAKE |
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| Feng Jianlin,Qing Jianzeng,Li Deqing,Huang Bangwu,Zhang Yaning,Chen Chunju,Xu Shunqiang. DISCUSSION ON RELATION BETWEEN VARIATIONS OF GRAVITY FIELD IN HEBEI-SHANDONG-HENAN AREA AND FENGQIU M_L 4.8 EARTHQUAKE[J]. Journal of Geodesy and Geodynamics, 2009, 29(Z1): 7-10 |
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| Authors: | Feng Jianlin Qing Jianzeng Li Deqing Huang Bangwu Zhang Yaning Chen Chunju Xu Shunqiang |
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| Affiliation: | Feng Jianlin,Qing Jianzeng,Li Deqing,Huang Bangwu,Zhang Yaning,Chen Chunju , Xu Shunqiang(Geophysical Exploration Center,CEA,Zhengzhou 450002) |
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| Abstract: | In the light of the 5 periods of mobile gravity observation results of the Ji-Lu-Yu network,the relation between the gravity and the Fengqiu earthquake is discussed.It is found that before and after Fengqiu earthquake the gravity station value in the juncture area of Hebei,Shandong and Henan under went three stages:first,it went down,then rose and finally,went down again.It reflected the three stages of the Fengqiu earthquake process as seismogenic stage-occurance-post-earthquake adjustment.It is proved tha... |
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| Keywords: | Ji-Lu-Yu observation region Fengqiu earthquake gravity variation anomaly post-earthquake adjustment |
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