The rock slide occurred due to wedge failure and the exposed rock beds dip and slope towards valley side. The weathered rock material is unstable along the extensive slope cut.
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
200m E of Kolagaon
Khonsa-Changlang road, NH-215
1. Removal of slided rock material 2 Scaling of unstable material near to the crown of landslide
Intersection of bedding plane with J1 joint makes a wedge, which is dipping towards valley side