Determination of the source parameters and its similar relationship for mid-small earthquakes康英, 郑斯华, 刘杰, 吕金水11-21
Characteristics of earthquake precursor of moving-water level in No.21 spring,Hutubi region, Xinjiang Province高小其, 许秋龙, 杨马陵28-35
Relations between abnormal seismic electromagnetic radiation and earthquakes in Jiangsu Province and its vicinities卢永, 杨军, 冯志生, 张念孝36-46
Geomagnetic field environment and its recent strength variations in Luhuan Island of Macao秦乃岗, 廖桂金, 王建格, 姚同起, 肖比光, 陈观带, 陆镜辉, 黎晓之, 邱洪伟47-54
Dividing the southeast coastal seismic active episodes using sequence sample cluster analysis杨向东, 秦乃岗55-61
Contrast for the signals transferred through DDN and satellite at Zhanjang Digital Seismographic Station林伟, 吴叔坤, 吴永权69-74