| 2009年乌什-阿图什地震危险区异常跟踪 |
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| 引用本文： | 王筱荣,宋春燕.2009年乌什-阿图什地震危险区异常跟踪[J].华南地震,2010,30(2):15-25. |
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| 作者姓名： | 王筱荣 宋春燕 |
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| 作者单位： | 新疆维吾尔自治区地震局,新疆,乌鲁木齐,830011 |
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| 基金项目： | 中国地震局震情跟踪合同制定向工作任务专项 |
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| 摘 要： | 分析了乌什-阿图什地震危险区所处的柯坪块体地震时空活动特点:6级以上地震均沿块体边缘分布;6级地震时序分布不均匀,空间分布表现出轮回特征;6级地震前4级地震平静较为普遍,相关构造带以增强-平静为主要特征;响应地震的地点指示意义较为明确。文中还对危险区异常判定及2009年块体3次5级地震异常跟踪进行了总结。
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| 关 键 词： | 柯坪块体 地震活动特点 危险区异常跟踪 |
The Anomaly Tracing in the Wushi-Atux Seismic Dangerous Region in 2009 |
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| WANG Xiaorong,SONG Chunyan.The Anomaly Tracing in the Wushi-Atux Seismic Dangerous Region in 2009[J].South China Journal of Seismology,2010,30(2):15-25. |
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| Authors: | WANG Xiaorong SONG Chunyan |
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| Institution: | (Earthquake Administration of Xinjiang Uygur Autonomous Region,Urumqi 830011,China) |
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| Abstract: | This paper analyzed the spatial and temporal feature of earthquakes in Keping block located in the Wushi-Atushi seismic dangerous region.The result showed that the earthquakes with MS≥ 6 were distributed on the edge of the Keping block and had the spatial transmigration and uneven timing distribution feature.The MS4 earthquakes appeared quiet before the MS6 earthquakes,the seismicity in the related tectonic zone was characteristiced of activityquiescence.The response earthquakes indicated the possible location of future moderate earthquakes.The article summarized the seismic dangerous region judgment and seismic anomaly tracing of 3 MS5 earthquakes in the Keping block in 2009. |
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| Keywords: | The Keping block Earthquake Activity feature Seismic anomaly tracing |
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