“…However, the issue of which distances and how to use the main drainage or tributaries that form the drainage network on landslide formation is uncertain [81]. According to the literature, the general acceptance is that as the distance from the drainage line increases, the landslide frequency gradually decreases [1,3,4,9,10,23,130]. In other words, closer to the drainage, landslides are more likely to happen [7,11,58,[131][132][133][134].…”