1Statistical Research of Time and Maximum Magnitude in the Reservoir-induced Earthquake of China ContinentYANG Maling, CHEN Daqing1-92Application of the t Test in Evaluation of Reservoir EarthquakeZHONG Yuyun, ZHOU Xin, LU Xian, ZHANG Fan10-193Analysis on Effectiveness Evaluation for Groundwater Observation Data in Gansu ProvinceZNANG Yu, CHANG Qianjun, CHNE Yao, LIU Baoqin20-284Study on Focal Depth from Local Broadband Waveform Data InversionZHANG Hui, XU Hui, WANG Yixi29-365Study on Attenuation Characteristics of Seismic Wave of Mid-small Earthquakes in the Southern Segment of Tanlu Fault Zone and Its Adjacent AreasLI Fa, QI Hao, CHENG Xin, WANG Suochen, NI Hongyu37-446Study on Variation Characteristics and Influencing Factors of Electromagnetic Disturbance at Huainan Seismic StationLI Junhui, YIN Mei, HE Kang, ZHENG Haigang, TAO Yuechao45-517Application and Expectation of Support Vector Machine Method in GeophysicsLI Xilinag, LI Dongliang, ZHANG Ling, DONG Xiaona, WU Dantong, LI Xia, JIN Peng, ZHAO Xiaohe52-588Application of Electromagnetic Wave CT in Karst ExplorationWU Huaping59-669Discussion on Technique for Earthquake Rapid Report and Search and Rescue in Disaster Area Based on Mobile Phone Positioning ServicesHE Shouqing, WANG Ting67-7410Automatic Generation of Cloud-to-Ground Flash Density Map and Corresponding MIF FileDONG Xingpeng, LI Shengle, PENG Yuan, SU Rong, LIU Zhumei, LIU Jian75-8111Design and Application of Earthquake Message Microblog Automatic Release SystemYE Jianing, HE Ting82-8712Design and Application of Sand Strain Data Center Based on OracleCAI Peirui, SHEN Yong, CHEN Wei, WU Jinbo, LI Yiwei, HUANG Huanhuan, SONG Chao, HE Xingyuan88-9513Discussion of Lightning Protection Technique of Hainan Seismic StationsYANG Yang, ZENG Yunfei, GUO Minquan, DING Youxing, WU Youde96-10114A Review of Inspection of Digital Water Level InstrumentGONG Yongjian102-108