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拐角频率在营海岫地区地震序列判定中的应用

Application on the corner frequency to judge the earthquake sequences occurred in Xiuyan,Haicheng and Yingkou Regions

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【Author】 Jia Lihua~(1)),Yang Hongyan~(1)),Huang Liang~(1)),Zhu Xiaoqiu~(2)),Chen Jiwei~(1)), An Xiangyu~(1)) and Yang Zhenpeng~(1)) 1) Earthquake Administration of Liaoning Province,Shenyang 110034,China 2) Yingkou Seismic Station,Liaoning Province 115000,China

【机构】辽宁省地震局；营口地震台；

【摘要】利用拐角频率方法,研究营、海、岫地区1999年以来发生的显著震群性质,结果表明,前震序列与其他震群拐角频率曲线变化形态不同,拐角频率的大小能较好反映震源区应力场的大小。更多还原

【Abstract】 In this paper,through calculating the corner frequency,the earthquake sequences occurred in Yingkou、Haicheng and Xiuyan since 1999 are studied.The result indicates that the change of the corner frequency curves of foreshock sequence is different from those of other earthquake swarms.The size of the corner frequency can perfectly reflect the size of the stress field in the hypocenter region.The relation between the corner frequency and magnitude is discussed in the paper.更多还原

【关键词】拐角频率；地震序列；变化规律；
【Key words】 corner frequency； earthquake sequence； regular pattern of change；

【基金】辽宁省地震局重点实验室项目(LZD1105)

【文献出处】地震地磁观测与研究 ,Seismological and Geomagnetic Observation and Research , 编辑部邮箱 ,2012年Z2期

【分类号】P315
【下载频次】15

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