| 山西地区地震震源深度特征统计分析 |
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| 引用本文： | 梁向军,刘林飞,苏 燕,张 蕙,薛生瑞.山西地区地震震源深度特征统计分析[J].山西地震,2014(1):1-4. |
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| 作者姓名： | 梁向军 刘林飞 苏 燕 张 蕙 薛生瑞 |
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| 作者单位： | [1]山西省地震局,山西太原030021 [2]山西省地震局离石中心地震台,山西吕梁033000 [3]太原大陆裂谷动力学国家野外科学观测研究站,山西太原030025 |
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| 基金项目： | 2013年中国地震局三结合项目,中国地震科技星火计划项目（XH12008Y、XH13004）,山西省科技厅基础研究项目（2012011029）联合资助. |
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| 摘 要： | 根据山西数字地震台网的地震震源深度资料,对山西测震台网2001年1月至2011年12月期间,2 535个定位精度为Ⅰ、Ⅱ类且ML≥2.0地震,进行震源深度分布特征统计分析。采用网格滑动平均法,统计平均震源深度,结果显示,山西地区平均震源深度为0~40km,从0~10km、11~20km、21~30km、31~40km不同震源深度分布结果来看,山西地区中小地震震源深度以6~20km为主,个别区域有大于20km的地震分布。
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| 关 键 词： | 山西地区 震源深度 统计分析 |
Statistical Analysis of Earthquake Focal Depth Distribution in Shanxi Province |
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| LIANG Xiang-jun,LIU Lin-fei,SU Yan,ZHANG Hui,XUE Sheng-rui.Statistical Analysis of Earthquake Focal Depth Distribution in Shanxi Province[J].Earthquake Research in Shanxi,2014(1):1-4. |
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| Authors: | LIANG Xiang-jun LIU Lin-fei SU Yan ZHANG Hui XUE Sheng-rui |
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| Institution: | 1. Earthquake Administration of Shanxi Province, Taiyuan, Shanxi 030021, China; 2. Lishi Central Seismological Station of Earthquake Administration of Shanxi Province, LVliang, Shanxi 033000, China; 3. State Key Observatory of Shanxi Rift System, Taiynan, Shanxi 030025, China) |
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| Abstract: | Focal depths of 2535 earthquakes ,with focus locating accuracies Ⅰ and Ⅱand magnitudes（ML ） larger than 2 .0 ,recorded from Jan .2001 to Dec .2011 are statistically analyzed ,based on the focal depth data from The Digital Seismic Network of Shanxi Province .The average focal depth is calculated by using grid moving average method .it is concluded that focal depths are in range 0-40 km .According to distribution results of different focal depths ranging 0-10 km ,11-20 km ,21-30 km and 31-40 km ,the focal depths of middle and small earthquakes in Shanxi Province are mainly in range of 6-20 km ,except earthquakes with focal depths are greater than 20km in some area . |
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| Keywords: | Shanxi Province Focal depth Statistical analysis |
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