Characteristics of long term variation of geomagnetic field in recent years解用明, 高登平, 王艳荣, 鞠永, 韩和平, 郭学增, 郭建芳1-5
Study on the earthquake situation in North China areaSHI Yu-yan, YAN Qi, XU Ping, LI Bo, ZHOU Cui-ying11-15
Several typical interferences in geoelectric observationLIN Xiang-dong, XU Ping, LU Yue, ZHANG Hong-kui, WU An-xu, LI Jue-zhen16-22
Statistical Analysis on the characteristic period of response spectrum in Beijing areaPENG Li-guo, SUN Ming-xin, JU Wei, YANG Ling23-26
Contrastive research on the digital and analogue observation data in Yixian SeismostationWU Xiao-ping, ZHANG Yue-gang, CHEN Jia, JIAO Long, WANG Shu-xing27-33
Automatic processing program for analogue precursory data reportWANG Jian-guo, WANG Da-hong, SHAO Yong-xin, CUI Xiao-feng, LI Lian-di, CHEN Huan-ran34-36
Study on the periodic structure of earthquake activity in Zhangjiakou region with wavelet transformationZHU Hai-sheng, XUE Zhi-fang, LI Wei37-39
Analysis on the seismicity before Reichang Ms5.7 earthquake occurred on Nov. 26, 2005WU Yan-he, LIN Mei, NIE Qing-bin40-43
Estimation to time interval and probability of strong earthquakes in the North ChinaJIA Jiong, DIAO Gui-ling, PING Jian-jun, FENG Xiang-dong, SONG Meng-zhen, YIN Hong-wei, GUO Xue-zeng, WANG Shu-xing44-48