Statistical analysis of potential strong earthquakes in North China areaZHENG Jian-chang, HUA Ai-jun, ZHOU Cui-ying1-4
Test for the observational system of earth electric field with deep burying lead electrodeTIAN Shan, ZHEN Wen-jun, ZHANG Jian-xin, CHEN Song, WANG Cui-zhi5-9
Temporal Regularity of over 8 strong earthquakes in North China and the northernpart of North-South Seismic BeltGUO Zeng-jian, HAN Yan-ben, GUO An ning, LI Ya-rong10-12
Study on the QC value of coda in Tangshan regionWANG Qin-cai, DIAO Gui-ling, LI Xue-ying, LIU Sheng-guo, LI Jin-jin, ZHAO Ming-chun13-16
Influencing factors to the observation of gas Hg in hot water wellZHANG Su-xin, WANG Bao-kun, ZHAI Yan-zhong, SUN Pei-qing, ZHANG Zi-guang23-26
Characteristic of tectonic stress tensors calculated from three earthquake series in Datong areaWU Min-jie, LAN Cong-xin, XU Ping27-32
Study on the characteristic of gas data observed in Qingfeng wellLI Gui-qing, LIU Rong, HAN Jiu-ying, LI Hua-ping, FANG Yu-dong, ZHENG Hong-yan, GUO Jie33-37
Tectonic characteristics of Yanhuai basin and evaluation of potential seismic riskZHU Hai-sheng, ZHAO Cheng-min, LI Guang-hui, XUE Zhi-fang, JIANG Wei38-42
Study on Balinzuoqi-Alukerqinqi Ms5.9 earthquake occurred in 2003 in Inner Mongolia Autonomous Region and its precursory anomaliesCHEN Li-qiang, ZHANG Yue-gang, HU Xin-liang, YUAN Guo-xu, LI Ming-wei43-46