1Fracture Geometry Feature of the Northwest-Pacific Subduction ZonesGUO Yu-fan, GONG Wei, LUO Jia-hong, TAN Lan-rong, DONG Fei-fei, ZHA Xiao-hui1-102Optimization Selection of Kernel Function in Fitting Region Vertical Deformation Field Using Multi-surface FunctionTIAN Xiao, ZHENG Hong-yan, ZHANG Chao, WANG Shi-jin11-1531-D Minimum Velocity Model of Shanxi-Hebei-Inner Mongolia Border AreaFENG Xiang-dong, WANG Xiao-shan, CHEN Ting, ZHANG Su-xin16-214Geomagnetic Field Varivation Characteristics in Hebei Area in Recent YearsDONG Bo, JI Chun-ling, ZHANG Huan-xi, ZHOU An-pin, MAO Yuan-zhe, TANG Cun-zhi, ZHANG Shang-qing22-285Hypocenter Location Error Analysis of the Hyposat Method Using Seismic Velocity PerturbationYU Jun-yi, MA Qi-yang29-336Division of Site Classification Boundary Based on Voronoi DiagramSHI Bing-xin, MA Chao, KONG Jun, WANG Ming-ming, ZHANG Wei, YU Jian-wen34-377Tectonic Stress Field of North China Based on Focal Mechanism SolutionsLIU Li, LIU Tan, DONG Yi-bing, ZHU Yin-jie38-438Affection of the Rainstorm on July 19 on Water Burst in Hebei Fengfeng No .24 WellWANG Jiang, ZHANG Zi-guang, SHAN Lian-jun, DING Zhi-hua, SHENG Yan-rui, MA Guang-qing44-509The Application of DFA Method on Near EarthquakesZHAO Rui, LI Jun-chao, HE Bei-fang, HU Fa-rui, LI Ning, DING Rui51-5410Comparation of Two Video Systems Used in Shanghai Earthquake AgencyZHANG Yong, WANG Xiao-ming, ZHAO Xue-zhi55-59,6511Fixed-point Deformation Anomalies before Yunlong MS5.0 EarthquakeHE Ying-wen, DUAN Yong, YANG Shu-feng, ZHANG-yuan, YANG Hai-peng, YANG Jian-wen, ZI Cheng-zhu60-6512Design and Implementation of the Earthquake Information Auto-Display Function on the LED Screen in the Command HallXIAO Jian, WANG Hui-shan, ZHOU Shi-wen66-69133-D Characteristics Inversion of Hypocenter Fault-plane of the 2013 Tongliao M5 .3 EarthquakeWANG Shu-zhong, JIA Hao-dong70-7414Design and Implementation of Warning Software for Precursory Observation DataCHI Hai-jiang, MA Dong, BAI Ya-dong, WEN Jia75-7915Anomaly Characteristics of Groundwater Radon in Fengman Seismic StationLIU Yi-nan80-83