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A Study on the Tectonic Characteristics of Shallow Faults in the East of Zhengzhou City

Zhao Chengbin 1),Li Deqing 1),Zhao Jingyao 2),Yuan Hongke 1) and Sun Zhenguo 1) 1) Geophysical Exploration Center,CEA,Zhengzhou 450002,China2) Earthquake Administration of Zhengzhou City,Zhengzhou 450000,China  
Study on fault activity is a fundamental part of earthquake prediction and earthquake relief in big cities.In the active fault exploration in Zhengzhou,the spatial distribution,geological features and activity of the Huayuankou fault,the Shangjie fault and the Xushui fault were determined using the seismic prospecting method.New understanding about the characteristics of the faults was gained.This provides reliable basic data for future earthquake forecast and earthquake relief work in Zhengzhou.In addition,we proposed some ways to identify fault activity through analyzing the characteristics of the activity of a fault and raised an effective method for exploring active faults in big cities and exploring concealed faults in regions covered with thick overburdens.
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