The debris slide occurred due to extensive slope cut. Weak shale of Barail Group is unstable along the slope and blockage of drainage while road construction.
Ramesh Guguloth, Neethu Alpho Joseph, 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in Toposheets 83M/4, 8,12,15,16; 83N/01, 2, 5, 6, 9,13; 92A/03, 4, 6, 7, 11,14,15,16; 92E/02, 3 & 4 covering  parts of Tirap, Changan
NIL
1.5 km S of Nampong
NH-315, Nampong-Pangasu Pass road
1. Removal of slided debris material
Slope failure occurred due to increase of pore pressure in the thick overburden soil during heavy monsoon.