本文根据鄂西三峡及邻区河流阶地、地形变、地震及构造裂隙等资料,对该区第四纪以来的地壳运动特点及其动力学问题进行了分析。认为该区第四纪以来所表现的间歇性拱曲上升运动,是与地球内部物质均衡调整过程相联系的。尔后,对运动效应如应力场和地震等问题作了讨论。 Based on the data of river terraces, topography, earthquakes and structural fractures in the Three Gorges and its adjacent areas in western Hubei Province, this paper analyzes the characteristics and dynamics of the crustal movement in Quaternary. It is believed that the intermittent upward movement of arches manifested since Quaternary in this area is related to the material balance adjustment process within the Earth. Later, the movement effects such as stress field and earthquake were discussed.