| 山西地区小震活动年频次分布特征研究 |
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| 引用本文： | 梁向军,张蕙.山西地区小震活动年频次分布特征研究[J].山西地震,2010(2):1-7. |
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| 作者姓名： | 梁向军 张蕙 |
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| 作者单位： | 山西省地震局,山西,太原,030021;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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| 摘 要： | 对山西地区1970年至2008年的小震年频次分布用Klomogorov-Smirnov分布检验法进行检验,得出,山西地区的年频次累计次数与年频次有类似G-R的关系;由年频次分布随时间的变化关系分析,山西带及其北、中、南三个区域在中强震前,小震年频次的峰度、偏度、标准差、CV值、bm值等统计函数均表现出明显的变化。
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| 关 键 词： | 小震活动 年频次 山西地区 |
Study on Annual Frequency Distribution Characteristics of Small Earthquake Activities in Shanxi |
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| LIANG Xiang-jun,ZHANG Hui.Study on Annual Frequency Distribution Characteristics of Small Earthquake Activities in Shanxi[J].Earthquake Research in Shanxi,2010(2):1-7. |
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| Authors: | LIANG Xiang-jun ZHANG Hui |
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| Institution: | 1.Earthquake Administration of Shanxi province,Taiyuan,Shanxi 030021,China; 2.National Continental Rift Valley Dynamics Observatory of Taiyuan,Taiyuan,Shanxi 030025,China) |
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| Abstract: | The annual frequency distribution of small earthquakes in Shanxi from 1970 to 2008 is tested by Klomogorov-Smirnov＇s method in this paper.The results indicate that the relationship between annual frequency and its accumulative times of small earthquake activities in Shanxi is similar with G-R relationship.The analysis of variation in annual frequency with time shows that statistical functions including kurtosis,skewness,standard error σ,CV-value and bm-value of annual frequency in Shanxi seismic zone,the north,the middle and the south of Shanxi all present obvious variation before medium strong earthquakes. |
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| Keywords: | Small earthquake activity Annual frequency Shanxi |
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