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《Acta Seismologica Sinica》 2014-05
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Relative locations among the 2006,2009and 2013 North Korean underground nuclear tests

Pan Changzhou;Jin Ping;Xu Xiong;Wang Hongchun;Xiao Weiguo;Shen Xufeng;Zhang Chengliu;Xu Henglei;Northwest Institute of Nuclear Technology;  
The relative locations among the 9October 2006,25 May 2009,and12 February 2013North Korean underground nuclear tests are estimated by the double-difference location algorithm,using the relative times of P signals as well as those of S and LR signals.And location uncertainties are analyzed by bootstrap method.The relative times are measured with cross-correlation technique,using vertical waveform data recorded at 19 regional and 8teleseismic stations.The results show that the 2013 test locates 257 msouth and 385 m west relative to the 2009 test with about 150 muncertainty estimated with 20 stations resampling at 95%confidence level,and the 2006 test is about 503 m south and 2 589 meast to the 2009 test with the same uncertainty.
【Fund】: 国家自然科学基金(41174033)资助
【CateGory Index】: P315.728
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