Study on fractal characteristic of hydrographic nets and activity of the Red River Fault Zone朱俊江, 詹文欢, 唐诚, 丘学林1-7
Discussion on relation between big flood and large earthquake by means of the effect of the Tropic of Cancer郭增建, 吴瑾冰19-22
The distributing characters of coda wave Q value in Ningxia and its adjacent region赵卫明, 刘秀景, 马禾青23-27
Seismic risk analysis of the dam of Kezier reservoir尹力峰, 唐丽华, 吴晓莉, 赵纯青, 王海涛, 王坚, 胡军, 柏美祥, 安景生, 袁峡28-40
Anomaly and mechanism of Shenzhen gravity observation before Taiwan 7.6 earthquake in 1999叶东华, 杨马陵, 陈德才41-47
Evolvement characters of Morishita spread index before the moderate strong earthquakes in large North China and its application孟保成, 孙瑞玲, 包淑娴, 苏莉华, 邵玉华, 张香荣, 张亚琳48-56
Digital seismic data analogy and focal parameter estimation,talking Heyuan earthquake, Guangdong as an example.黄秀霞, 梁延刚57-63