This study evaluates the dimensions and distribution of landslides across different geological settings in Quang Nam Province, Vietnam, following Typhoon Molave. The research highlights the impact of extreme weather events, exacerbated by global warming, on sediment disasters. A detailed landslide distribution map was created using satellite images. The study area includes geological units such as granite, schist, gneiss, and composite rocks. The findings reveal that geological conditions significantly influence landslide occurrence and morphology. Granite areas had larger landslides, while those in composite rocks and gneiss were smaller and more frequent on gentle slopes. Topographic analysis shows landslides in granite areas typically exceed 30 m in width and 150 m in length, affecting 13.03% of the granite area. In contrast, landslides in schist formations are generally over 30 m wide but less than 100 m long, covering 2.95% of the area. In regions with gneiss and composite rocks, landslides are mostly less than 20 m wide and 150 m long, affecting less than 3% of these areas. These results indicate that landslide processes differ according to geological structures and weathering processes. These insights underscore the importance of incorporating geological characteristics into disaster prevention strategies to mitigate landslide risks and ensure community safety and resilience.