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山西地震台网“九五”与“十五”期间地震定位方法对比分析

Comparative Analysis on Earthquake Location Methods Used by Shanxi Seismic Network in the 9^th and 10^th Five-year Plans

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【Author】 ZHANG Hui1,2,LIANG Xiang-jun1,2,DONG Chun-li1,2,ZHANG Ling1,2(1.Earthquake Administration of Shanxi Province,Taiyuan,Shanxi 030021,China; 2.National Continental Rift Valley Dynamics Observatory of Taiyuan,Taiyuan,Shanxi 030025,China)

【机构】山西省地震局；太原大陆裂谷动力学国家野外科学观测研究站；

【摘要】选取山西地震台网2007年1月至2008年6月产出的数据,运用"十五"和"九五"两种定位系统的的定位软件进行处理,对比定位参数之间的差异。初步认为,山西台网"十五"期间的定位结果是可信的,与"九五"的定位结果差异不大。JOPEN S系统的单纯型法是比较优的定位方法,适用于网内、网缘和网外的近震;HYP 2000法适用于网内近震。更多还原

【Abstract】 Selecting the data recorded by Shanxi seismic network from Jan.2007 to Jun.2008,the deviation of location parameters obtained by two location systems set up in the 9th and 10th five-year plans is contrasted in this paper.The results preliminarily indicate that the location results obtained in 10th five-year plan are creditable,and the difference with location results in the 9th five-year plan is not too large.The simplex algorithm of JOPENS system is a good location method,suitable for all nearby earthquakes in network, and HYP2000 method suitable for nearby earthquakes in network.更多还原