1High Frequency Fall-off of Source Spectra Using Q-free Spectra EstimationP. Momffari, Zhongliang Wu, Yuntai Chen, Ming Wang1-92AIC Analysis of Categorical Data for Earthquakes and Velocity Structures in North ChinaRuomei Sun, Yaolin Shi, Jie Liu10-163Tunnel Effect of Fractal Fault and Trans S-wave Velocity Rupture of in Plane Shear FaultShiyu Li, Yuntai Chen17-234Auenuaiion Characteristics of Peak Acceleration in North China and Comparison With Those in Eastern North AmericaBiquan Wang, Framis T. Wu, Yinju Bian24-315Seismicity Acceleration Model and Its Application to Several Earthquake Regions in ChinaWenzheng Yang, Li Ma32-416Study of CrustMantle Structure in Central and Southern ShanxiZhifing Zhu, Jianshi Zhang, Chengke Zhang, Jinren Zhao, Ming-qing Liu, Zhouqiong Tang, Yujie Gai, Qingfang Ren, Wenying Nie, Qing Yang42-497Dynamic Mechanism for Horizontal Deformation in Part of North China Area Three-Dimensional Finite-Element Calculation and Analysis of Results From GPS Remeasure-mentLiren Huang, Qing Ma, Liangqian Guo, Huizhen Song, Jie Liu50-568A Study on Seismic Source Process in Short-Term and Imminent Stage Before Destructive MiningShockWanqin Liu, Shiyu Li, Zhichen Zheng, Ming Zhao, Ping Shen57-649A Simulation System of Seismogeny , Occurrence , and Development of EarthquakesMiaoyue Wang, Meigen Zhang, Qingyun Di, Jing Chen, Ling Zhu65-6910Method Discussion for Quick Respond Grey Prediction of Stronger Aftershocks of an Earth-quake SequenceJianjun Ping, Yongqing Li, Qingrong Zhang70-7411The Effect of Pore Fluid on Seismicity : a Computer ModelLi Li, Yaolin Shi, Guomin Zhang75-8212The Magnetic Susceptibility Measurements of Turbidity Current Sediments From Fuxianl-ake of Yunnan Province , China and Their Correlations with EarthquakesJiesen Li, Xueliang Song, Yinglun Sun, Zixiong Zhang, Yide Song, Gang Liu83-8813Studies of Electrical Properties of Rocks Under High Temperature and PressureJianglin Liu, Wuming Bai, Xiangru Kong89-9714Study on Relationship Between Historical Volcanic Eruptions and Historical Strong Earth quakes in China and Its Adjacent RegionsXiaodong Zhang, Zhenliang Shi98-10515The Medium Short Period Deformation Phases Character Before the Zhangbei Ms = 6. 2 Earthquake and Its Experimental interpretationAnfu Niu106-11216Strong Earthquake Activity All Over the World and StrongModerate Earthquakc Activity Within and Near China (August～September 1998)Peishan Chen113 