1Moment Tensor Inversion for the Focal Mechanism of the Dongfang Swarm, Hainan ProvinceRongmao Zhou, Yuntai Chen, Zhongliang Wu337-3432Moment Tensor Inversion of the November 6,1988 MS7.6, Lancang-Gengma, China,Earthquake Using Long-Period Body Waves DataP. Mozaffari, Lisheng Xu, Zhongliang Wu, Yuntai Chen344-3533Modern Tectonic Stress Field in the Chinese Mainland Inversed from Focal Mechanism SolutionsXingxin Du, Huicheng Shao354-3604Three-Dimensional Characteristics of Focal Fault of 1995 MS6.5 Wuding Earthquake Occurring in Yunnan ProvinceGuiling Diao, Sichang Zhang, Shaojin Wang, Xiaofan Long, Junguo Wang361-3665Research on Propagation Properties of Elastic Waves in Two-Phase Anisotropic MediaYang Liu, Chengchu Li367-3736Incidence, Reflection and Transmission Angles in Anisotropic MediaBingming Zhang, Minyu Dong, Zhongping Qian374-3787Research on Percolation Model and Criticality of SeismicityShanming Ke, Haoding Gu, Wenjie Zhai379-3868Periodic Spectral Characteristics of Seismicity Before Strong Earthquakes and Their ApplicationZhiping Song, Shirong Mei, Xiangchu Yin, Anxu Wu, Yan Xue, Guian Luo387-3939Inversion of 3-D Crustal P Wave Velocity Structure in Ningxia and Its Neighborhood By Using Direct, Reflected and Refracted WavesYanlongJin, Mingzhi Yang, Weiming Zhao, Xingjue Shi, Wenjun Xu, Guangquan Li394-40210Results on the Crustal Structure of the Eastern Dabie Orogenic Belt from the Seismic Tomography and Wide-angle Reflection StudiesDanian Shi, Mei Jiang, Cong Peng, Guangqi Xue, Suhua Wei403-41011Recurrence Behaviors of Segment-rupturing Earthquakes on Active Faults of the China MainlandXueze Wen411-41812Random Weighting Error Estimation for the Inversion Result of Finite-fault Rupture Process in Time and SpaceYinshuang Ai, Tianyu Zheng, Yumei He419-42613GIS Simulation of Scenario Earthquake Influenced FieldHuiqiang Zuo, Lili Xie, R.D.Borcherdt427-43214Estimation of the Quality Factor in Shallow Soil Using Surface WavesJiafu Hu, Youjin Su433-43815The Geothermal Character of the Northern Segment of 305 Geotransection in Xinjiang Uygur Autonomous RegionJinhua Zu, Qianfan Wu, Yufang Lian, Xinfa Chen439-44216Strong Earthquake Activity All Over the World and Moderate-Strong Earthquake Activity Within and Near China (February～March,1999)Peishan Chen443-444 