1Research on Crustal Structure of Liaoning Area Based on Broadband Seismic DataJIA Li-hua, LI Xiu-li, LI Jun, LEI Chen, ZHAO Qian, AN Xiang-yu1-72Analysis of Present-day Crustal Deformation in Southern Jiangsu Based on GPS DataZHANG Yong-qi, ZHANG Qin, QU Wei8-133Primary Research on Stress Drop in Source Region of Continuous 5 ML≥4.0 Earthquake Sequence in Shanxi ProvinceDONG Chun-li, WANG Xiang-yang, ZHENG Shu-ping, MU Hui-min, ZHANG Ling, L(U) Rui, WANG Zhuo-jun14-224Analysis of Engineering Re-leveling Vertical DeformationHAN Yong, TA La23-285An Application and Study of the Extreme Value Theory in Coastal Areas of Fujian Earthquake PredictionCHEN Shan-hua, ZHANG You-ming, YOU Yu-xing, HUANG Sheng-zong29-346FHD Vector Proton Magnetometer Calibration TechnologyJI Jia-ying, XIA Zhong, JIANG Yan-lin, YANG Feng-wei, JU Hai-hua35-407Application of Mathematical Morphology Filter in Analyses of Baseline between GPS StationsGUAN Yu-mei, WANG Zi-yan, WANG Qing-ping, YANG Jin-ling, CHENG Chao-xian, CHEN Guang41-468Application of Earthquake Auto-rapid Reporting System in Liu'an Seismic NetworkZHAO Nan, LU Guang-ming, JIANG Pei-chun, XIA Shi-an, ZHANG Guang-hua47-50,729Analysis of Trial Measurement of P2000 Radon Detector at Fuzhou Seismic StationZHU Ji-cheng, LIN Guo-yuan, SHEN Yan51-5310Data Quality Analysis of Hongshan Geomagnetic Station Using Stepwise Regression AnalysisWANG Li-sen, ZHANG Yun-chang, BIAN Peng-fei, HAN Sheng54-5611Analysis of Earthquake Reflecting Ability of Tianjin Earthquake Precursor NetworkYANG Liu, SHAO Yong-xin, MA Jian-ying57-6212Study on Interference Factors in Digital Gas Radon Observation at Ningde-1 WellYANG Ding-hong, DENG Cong, CHENG Qing-bin, LIN Hao63-6713Coseismic Response of PET Gravimeter at Lhasa Seismic StationWU Ji-lian68-72