本文对新滩滑坡滑后的地貌形态特征、历史文献记载的破坏周期性规律、区域构造背景与本区构造特征、临滑前兆和地震台站记录滑动时的波型波谱分析结果等进行了分析研究,提出了新滩滑坡的动因机制以内因构造扭动力系能量聚集使岩体膨胀扩容产生地热微震为主,外因诱发的促进作用为辅的论点。 This paper analyzes the geomorphological features of the Xintan landslide, the periodicity of damage records recorded in the historical records, the tectonic setting of the region and the tectonic features of the region, the precursors of the slippery slope and the waveform analysis results when the seismic stations record slip The motivation mechanism of the Xintan landslide is proposed. The reason why the internal tectonic twisting force is caused by the energy accumulation resulting from the expansion and expansion of the rock mass is mainly due to the microseism, which is supplemented by the exogenous factors.