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本文着重研究安宁河断裂带的发育特征以及晚第四纪以来的活动历史。指出这种新活动性在时、空分布上并不是连续的和均匀的,具有明显的差异性。这种差异性伴有地震分段集中的特点和地震构造的脉冲现象。中强震的发生主要与断裂的最新活动段的断错地貌密切相关。
This paper focuses on the developmental characteristics of the Anninghe fault zone and the activity history since the late Quaternary. Pointed out that the new activity in time and space distribution is not continuous and uniform, with significant differences. This difference is accompanied by the characteristics of seismic subdivision and the pulse phenomenon of seismic structure. The occurrence of moderately strong earthquakes is closely related to the faulty landform of the latest active segment of the fault.