Since Late Tertiary the neotectonic movement in the region has been being more intense, and the most obvious feature of the neotectonic movement was characterized by large-amplitude block-faulting and strong volcanic activity.

• 晚第三纪以来，本区新构造运动比较强烈，最显著的特徵是断块大幅度升降运动和强烈的火山活动。