| 2013年山西及邻区震群特征分析 |
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| 引用本文： | 李丽,刘素珍,穆慧敏,王霞.2013年山西及邻区震群特征分析[J].山西地震,2013(3):1-5. |
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| 作者姓名： | 李丽 刘素珍 穆慧敏 王霞 |
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| 作者单位： | [1]山西省地震局,山西太原030021 [2]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： | 山西省地震局科研项目（SBK-1314）、震情跟踪青年课题（2013020117）、中国地震局星火计划（XH13004）联合资助. |
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| 摘 要： | 文章主要针对2013年山西及其邻区3次ML 3．0以上震群，从地震活动特征、序列参数、震源机制解等方面进行分析研究，经计算得出，震群参数均具有前兆特性。同时，结合1981年至2013年，山西震群震例对应地震情况以及目前山西地震活动图像异常等，认为山西中北部的地震危险性有所增强。
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| 关 键 词： | 震群 地震危险性 震群参数 序列特征 |
Analysis of Characteristics of Earthquake Swarm for Shanxi and its Neighboring Areas in 2013 |
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| LI Li,LIU Su-zhen,MU Hui-min,WANG Xia.Analysis of Characteristics of Earthquake Swarm for Shanxi and its Neighboring Areas in 2013[J].Earthquake Research in Shanxi,2013(3):1-5. |
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| Authors: | LI Li LIU Su-zhen MU Hui-min WANG Xia |
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| Institution: | 1. Earthquake Administration of Shanxi Province, Taiyuan, Shanxi 030021, China; 2. National Continental Rift Valley Dynamics Observatory of Taiymm, Taiyuan, Shanxi 030025, China) |
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| Abstract: | 3 Earthquake swarms with ME larger than 3.0 in Shanxi and its adjacent areas in 2013 are studied from aspects of characteristics of seismic activity, sequence parameters and focal mechanism solutions etc. in this paper. The result indicate that earthquake swarm parame- ters calculated are of precursor significance. Meanwhile, by analyzing the cases of correspondence of earthquake swarms to earthquake occur- rences from 1981 to 2013 as well as the current abnormal seismic activity image in Shanxi, it is concluded that seismic risk of northern and central part of Shanxi has increased. |
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| Keywords: | Earthquake swarm Seismic risk Earthquake swarm parameters Sequence feature |
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