| 2008年7月5日长泰M_L4.7地震前流动地磁观测结果的分析 |
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| 引用本文： | 许仪西,方韡,陈新泽,张永固,周昌贤,吴维日.2008年7月5日长泰M_L4.7地震前流动地磁观测结果的分析[J].地震地磁观测与研究,2010,31(1):39-42. |
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| 作者姓名： | 许仪西 方韡 陈新泽 张永固 周昌贤 吴维日 |
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| 作者单位： | 中国福建361021,厦门地震勘测研究中心 |
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| 基金项目： | 福建省地震局科研基金 |
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| 摘 要： | 摘要利用2002年7月～2008年11月的流动地磁观测资料进行分析研究,结果表明:2007年4月福建南部的流磁观测结果出现异常,可能是福建长泰M_L4.7地震前的震磁效应;震前靠近北西向断裂,并沿该断裂走向分布的流磁测点同步出现异常,可能与断裂构造应力作用有关。
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| 关 键 词： | 长泰ML 4．7地震 流动地磁观测 断裂构造 |
Analysis on the results in mobile geomagnetic survey before Changtai ML 4.7 earthquake in Fujian Province on July 5,2008 |
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| Xu Yixi,Fang Wei,Chen Xinze,Zhang Yonggu,Zhou Changxian,Wu Weiri.Analysis on the results in mobile geomagnetic survey before Changtai ML 4.7 earthquake in Fujian Province on July 5,2008[J].Seismological and Geomagnetic Observation and Research,2010,31(1):39-42. |
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| Authors: | Xu Yixi Fang Wei Chen Xinze Zhang Yonggu Zhou Changxian Wu Weiri |
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| Institution: | (Xiamen Sismological Survey and Research Center, Fujian Province 361021, China) |
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| Abstract: | The data of the mobile geomagnetic survey in the period of 2002-07-2008-11 are studied. The anomalies of the mobile geomagnetic survey in south Fujian in April 2007 are found. The anomalies may be considered to be the seismomagnetic effect before Changtai ML 4. 7 earthquake. It is also found that the anomalies synchronously occurred in the stations which distribute along the NW fault before the earthquake. It is possible that the phenomenon is related to the tectonic stress effects. |
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| Keywords: | Changtai ML 4 7 earthquakes mobile geomagnetic survey fault |
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