| 瑞昌-阳新4.6级地震序列震源位置及震源机制研究 |
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| 引用本文： | 董非非,邓辉,胡睿,李正.瑞昌-阳新4.6级地震序列震源位置及震源机制研究[J].大地测量与地球动力学,2016,36(12):1047-1051. |
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| 作者姓名： | 董非非 邓辉 胡睿 李正 |
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| 摘 要： | 基于江西省及邻区数字地震台网资料，对瑞昌-阳新4.6级地震序列进行重新定位，反演该序列里较大地震的震源机制解，探讨该地震序列的空间分布特征以及发震构造，并对震区内两次中强地震之间的关系进行讨论。结果表明，瑞昌-阳新4.6级地震序列走向约为NE60°，主震发震构造为郯庐断裂带分支垄塘-皮家山隐伏断裂带；瑞昌-阳新4.6级地震序列与九江-瑞昌5.7级地震序列时空分布特点密切相关。
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| 关 键 词： | 瑞昌-阳新4.6级地震序列 重新定位 震源机制 |
Study on Source Location and Focal Mechanism of Ruichang-Yangxin Magnitude 4.6 Earthquake Sequence |
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| DONG Feifei,DENG Hui,HU Rui,LI Zheng.Study on Source Location and Focal Mechanism of Ruichang-Yangxin Magnitude 4.6 Earthquake Sequence[J].Journal of Geodesy and Geodynamics,2016,36(12):1047-1051. |
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| Authors: | DONG Feifei DENG Hui HU Rui LI Zheng |
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| Abstract: | With data from the Ruichang-Yangxin magnitude 4.6 earthquake sequence recorded by the digital seismic network of Jiangxi and its adjacent areas, we relocate the sequence, study the relatively large earthquake’s focal mechanism, discuss the spatial distribution feature and seismogenic structure of the sequence and discuss the relationship between two moderate-strong earthquakes in this region. Our results show that the strike of the Ruichang-Yangxin magnitude 4.6 earthquake sequence is approximately NE 60°, that the main seismogenic structure is the Longtang-Pijiashan buried fault, which is a subfault of the Tanlu fault. Furthermore, the Jiujiang magnitude 5.7 earthquake sequence and the Ruichang-Yangxin magnitude 4.6 earthquake sequence have a close relationship in spatio-temporal distribution. |
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| Keywords: | Ruichang-Yangxin magnitude 4 6 earthquake sequence relocation focal mechanism |
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