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| 山西地区中小地震震源机制解系统聚类分析 | |
| 引用本文： | 苏燕,刘素珍,范瑾,宋美琴,靳玉贞,彭丽娟.山西地区中小地震震源机制解系统聚类分析[J].山西地震,2011(2). |
| 作者姓名： | 苏燕 刘素珍 范瑾 宋美琴 靳玉贞 彭丽娟 |
| 作者单位： | 1. 山西省地震局,山西太原,030021 2. 山西省地震局太原基准地震台,山西太原,030025 3. 山西省地震局大同中心地震台,山西大同,037800 |
| 摘 要： | 运用P、S波最大振幅比计算得到2007年至2010年山西地区347次中小地震震源机制解,进行系统聚类分析。结果表明,山西地区小震错动方式以走滑型的正断层活动为主,伴有少量的斜滑、逆冲类型。 |
| 关 键 词： | 中小地震 震源机制解 系统聚类 |
Systematic Cluster Analysis of Focal Mechanism of Medium-small Earthquakes in Shanxi |
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| SU Yan,LIU Su-zhen,FAN Jin,SONG Mei-qin,JIN Yu-zhen,PENG Li-juan.Systematic Cluster Analysis of Focal Mechanism of Medium-small Earthquakes in Shanxi[J].Earthquake Research in Shanxi,2011(2). | |
| Authors: | SU Yan LIU Su-zhen FAN Jin SONG Mei-qin JIN Yu-zhen PENG Li-juan |
| Institution: | SU Yan1,2,LIU Su-zhen1,FAN Jin1,SONG Mei-qin1,JIN Yu-zhen3,PENG Li-juan4,2(1.Earthquake Administration of Shanxi Province,Taiyuan,Shanxi 030021,China,2.National Continental Rift Valley Dynamics Observatory of Taiyuan,Shanxi 030025,3.Taiyuan Reference Seismological Station of Earthquake Administration of Shanxi Province,4.Datong Central Seismological Station of Earthquake Administration of Shanxi Province,Datong,Shanxi 037800,China) |
| Abstract: | The focal mechanisms of 347 medium-small earthquakes from 2007 to 2010 in Shanxi are calculated by using the maximum amplitude ratio of P and S wave, and the systematic cluster analysis is also carried out. The results indicate that the dislocation mode of small earthquakes is dominated by strike-slip normal fault activities in Shanxi , accompanying with a few oblique-slip and thrust fault activities. |
| Keywords: | Medium-small earthquakes Focal mechanism Systematic cluster |
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