沂沭断裂带跨断层形变异常及其解释
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摘要
对沂沭断裂带及其附近北西向断裂上存在的甘霖、五胜和高峰头流动短水准异常进行了分析,分析认为存在的3项短水准异常是汶川地震前后区域地壳应力增强引起的可能性较大。
Through analyzing the anomaly of Ganlin,Wusheng and Gaofengtou mobile short leveling in Yishu fault zone and surrounding NW strike faults and discussing the anomaly mechanism,we think that the three anomalyies are likely caused by crustal stress increasing in this area before and after Wenchuan earthquake.
Through analyzing the anomaly of Ganlin,Wusheng and Gaofengtou mobile short leveling in Yishu fault zone and surrounding NW strike faults and discussing the anomaly mechanism,we think that the three anomalyies are likely caused by crustal stress increasing in this area before and after Wenchuan earthquake.
引文
①李杰.沂沭断裂带及附近地区跨断层形变异常跟踪分析[R].山东省2008年度地震趋势研究报告,2007.
②李杰.跨断层流动短水准异常变化跟踪分析[R].山东省2009年度地震趋势研究报告,2008.
③李杰.山东跨断层形变异常跟踪及地震危险性分析[R].山东省2010年度地震趋势研究报告,2009.
④http://www.csndmc.ac.cn/newweb/catalog-direct-link.htm
⑤肖兰喜.山东近期跨断层短水准异常的可能物理机理[R].山东省2011年度地震趋势研究报告,2010
1李杰,冯志军.苍山5.2级地震的地形变特征及机制[J].地震,1997,17(4):417-424.(Li Jie and Feng Zhijun.Feature and mechanism of crustal deformation of the Cangs-han earthquake withMs=5.2[J].Earthquake,1997,17(4):417-424)
2李杰,等.对西冶、五胜流动短水准异常的分析探讨[J].大地测量与地球动力学,2003,(4):65-69.(Li Jie,etal.Discussion on anomaly of mobile short leveling measure-ments in Xiye and Wusheng areas[J].Journal of Geodesyand Geodynamics,2003,(4):65-69)
3李杰,陈强,陈岩.苍山4.4级地震与相公庄水准短临异常[J].地震学刊,1992,3:8-13.(Li Jie,Chen Qiang andChen Yan.On The Cangshan earthquake of 4.4 magnitudeand the short-term premonitory anomaly of Xianggongzhuanglevelling[J].Journal of Seismology,1992,3:8-13)
4李杰,等.沂沭断裂带垂直形变与断层活动特征分析[J].大地测量与地球动力学,2002,(2):106-111.(Li Jie,etal.Analysis of characteristics of vertical deformation andfaulting of Yishu fault zone[J].Journal of Geodesy and Geo-dynamics,2002,(2):106-111)
5牛安福,等.昆仑山口西8.1级地震前祁连山地震带附近形变异常的演化特征[J].地震,2003,23(4):21-26.(Niu Anfu,et al.Evolutional characteristics of ground de-formation observed along the Qilianshan before the KunlunmountainMs8.1 earthquake[J]Earthquake,2003,23(4):21-26)
6李杰,等.跨断层形变测量异常特征分析[J].地震,2010,30(2):100-111.(Li Jie,et al.Analysis of the anomalycharacteristics from cross-fault deformation measurements[J].Earthquake,2010,30(2):100-111)
②李杰.跨断层流动短水准异常变化跟踪分析[R].山东省2009年度地震趋势研究报告,2008.
③李杰.山东跨断层形变异常跟踪及地震危险性分析[R].山东省2010年度地震趋势研究报告,2009.
④http://www.csndmc.ac.cn/newweb/catalog-direct-link.htm
⑤肖兰喜.山东近期跨断层短水准异常的可能物理机理[R].山东省2011年度地震趋势研究报告,2010
1李杰,冯志军.苍山5.2级地震的地形变特征及机制[J].地震,1997,17(4):417-424.(Li Jie and Feng Zhijun.Feature and mechanism of crustal deformation of the Cangs-han earthquake withMs=5.2[J].Earthquake,1997,17(4):417-424)
2李杰,等.对西冶、五胜流动短水准异常的分析探讨[J].大地测量与地球动力学,2003,(4):65-69.(Li Jie,etal.Discussion on anomaly of mobile short leveling measure-ments in Xiye and Wusheng areas[J].Journal of Geodesyand Geodynamics,2003,(4):65-69)
3李杰,陈强,陈岩.苍山4.4级地震与相公庄水准短临异常[J].地震学刊,1992,3:8-13.(Li Jie,Chen Qiang andChen Yan.On The Cangshan earthquake of 4.4 magnitudeand the short-term premonitory anomaly of Xianggongzhuanglevelling[J].Journal of Seismology,1992,3:8-13)
4李杰,等.沂沭断裂带垂直形变与断层活动特征分析[J].大地测量与地球动力学,2002,(2):106-111.(Li Jie,etal.Analysis of characteristics of vertical deformation andfaulting of Yishu fault zone[J].Journal of Geodesy and Geo-dynamics,2002,(2):106-111)
5牛安福,等.昆仑山口西8.1级地震前祁连山地震带附近形变异常的演化特征[J].地震,2003,23(4):21-26.(Niu Anfu,et al.Evolutional characteristics of ground de-formation observed along the Qilianshan before the KunlunmountainMs8.1 earthquake[J]Earthquake,2003,23(4):21-26)
6李杰,等.跨断层形变测量异常特征分析[J].地震,2010,30(2):100-111.(Li Jie,et al.Analysis of the anomalycharacteristics from cross-fault deformation measurements[J].Earthquake,2010,30(2):100-111)
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