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| 引用本文： | 曾文敬,赵爱平,汤兰荣,李传江,邹水林.???-???5.7??????????????????[J].大地测量与地球动力学,2009,29(4):42-47. |
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| 作者姓名： | 曾文敬 赵爱平 汤兰荣 李传江 邹水林 |
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| 作者单位： | 江西省地震局,南昌,330039 |
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| 基金项目： | 地震科学联合基金，江西省社会发展科技攻关项目:九江-瑞昌地震破裂过程、序列特征及影响研究 |
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| 摘 要： | ???????????е???λ?????????????????????? ??????????-???5.7???????112??ML??1.5????????????????????????????????????1?????-???5.7???????????????????????????NNW??NEE?????50??60??,??????-60??-100??2??????????????????????λ???EW?????????????????λ??NS???????????????????????????????
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| 关 键 词： | ???-??????????? ???????? ????????? ???????? ????????? |
FOCAL MECHANISM SOLUTIONS OF AFTERSHOCKS OF JIUJIANG-RUICHANG EARTHQUAKE |
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| Zeng Wenjing,Zhao Aiping,Tang lanrong,Li Chuanjiang,Zhou Shuiling.FOCAL MECHANISM SOLUTIONS OF AFTERSHOCKS OF JIUJIANG-RUICHANG EARTHQUAKE[J].Journal of Geodesy and Geodynamics,2009,29(4):42-47. |
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| Authors: | Zeng Wenjing Zhao Aiping Tang lanrong Li Chuanjiang Zhou Shuiling |
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| Institution: | Zeng Wenjing,Zhao Aiping,Tang lanrong,Li Chuanjiang , Zhou Shuiling(Earthquake Administration of Jiangxi Province,Nanchang 330039) |
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| Abstract: | With the point source dislocation model in layered medium and using the records of mobile seismic network,we calculated the focal mechanism solutions of 112 ML≥1.5 aftershocks of the Jiujiang Ruichang earthquake. By analyzing the results,the conclusions are obtained:1) The predominant rupture strikes of the Jiujiang Ruichang earthquake aftershocks are NNW and NEE, its predominant dip angle is between 50 and 60°,and its predominant slip angle is between -60 and -100°;2)The pressure axis of epicentre stress field is distributed in the near diretion of EW,and its tensile axis is distributed in the near diretion of NS. The predominant orientation of these solutions is close to the character of tectonic stress field in north Jiangxi. |
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| Keywords: | aftershock series of Jiujiang-Ruichang earthquake focal mechanism solution normalizational frequence distribution epicentre stress field tectonic stress field |
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