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Application of geophysical method in city active fault detection

YI Bing1,ZENG Zhao-fa1,XUE Jian1,LI En-ze2(1.College of Geo-Exploration Science and Technology,Jilin university,Changchun 130026,China;2.Changchun Municipal Earthquake Bureaus,Changchun 130056,China)  
We use the comprehensive geophysics methods in changchun city active fault detection,practice proves,using the geophysics methods such as AMN-MNB measurement,resistivity imaging,Ground penetrating Radar(GPR),high resolution seismic reflection,transient electromagnetic(TEM)method,gravity and magnetic survey etc study of position and form of active fault,The good effects have been gotten on active fault.In view of disadvantages such as many interfering factors and complex environments in city,using new methods and technology,data processing and explanation,and using the characteristics of different methods,we has obtained the ideal survey effect,which can be used for reference in active fault detection in china.
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