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《China Earthquake Engineering Journal》 2017-S1
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A One-Dimensional Crustal Velocity Model for Liaoning Based on the Hyposat Positioning Method

WANG Chengwei;WANG Xiaorui;LI Enlai;WANG Shuhui;LIANG Yijing;Earthquake Administration of Liaoning Province;Dalian Seismic Station;  
A suitable crustal velocity model can help seismologists determine seismic accuracy.At present,the speed model used in the Liaoning network is a two-layer,average velocity model obtained from data of natural earthquakes and artificial blasting in South China.However,for some networks outside of South China,the crustal velocity model is obviously different from the South China model.Therefore,it is necessary to study the velocity model that conforms to the crustal structure in this area.In this study,based on phase analysis of the strong earthquakes that occurred in Liaoning Province in recent years,a more suitable,one-dimensional velocity model for the crustal structure in Liaoning has been calculated using the Hyposat method.The results show that the new model is better than the South China model in seismic positioning,and its time and epicentral differences are better than those of the South China model.
【CateGory Index】: P315.7
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