The debris slide has occurred due to saturation of overburden (2 m) material by rainwater leading to increase in pore water pressure and reduction of shear strength causing failure.
Anicia K.S., Arvind Kumar Singh, 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in TS no. 82 P/12, 15, 16; 91 C/3, 4, 7, 8, 12; 91 D/1, 2, 3, 4, 5, 6, 8, 9 and 10 covering parts of Lower Dibang Valley, Lohit, Anjaw and
NIL
 From Hunli 39 kms along NH-313 towards Anini
 NH-313 (Roing-Anini road)
1. Trimming of crown scar. 2. Removal of loose unstable plants in crown portion.
1. Thick overburden material (2 m) comprising of rock fragments admixed with soil. 2. Rill erosion on the affected slope. 3. Rainwater causes saturation of overburden leading to the increase in pore water pressure