The highly weathered materials on a gentle to moderate slope (~15?) get saturated and failed.
Anju, P. S and  Mohanraj, E., 2020. Macro-scale (1:50,000) Landslide susceptibility mapping in parts of Toposheet nos. 48K10, 48K14, 48K15  and 48K16,covering parts of Shimoga,Udipi and Dakshina Kannad district, Karnataka. Unpublished GSI report.
NA
Kadandale
NH
Toe erosion by stream