Due to incessant rainfall for about a week in the region, the pore water pressure increased and the weak slope forming material diminished the available shear strength to a point where equilibrium was no longer sustainable in the slope.
Chasie M. &  Theophilus P.K., 2017: Updation of existing landslide inventory of North Eastern region based on the new incidences as and when occurs during the period, Unpubl. GSI progress report for FS 2016-72
Immediate measures needed as it is posing a major threat to road communication. Landslide reactivated on 22/05/2016
Lungkok slide (Haflong – Gunjung road-11)
Haflong – Gunjung road section, Lungkok village, Lower Haflong
1. The surface run-off from the open ground and its surrounding areas should be properly drained away from the affected slope by provision of lined channel all along the road and to be let out separately.
2. Construction of retaining RCC structure and cu
The affected site is mainly composed of weak slope forming material which comprises of weathered sandstone, shale and carbonaceous shale of Renji formation. Over saturation of weak overburden material due to continuous rainfall in the preceding days lead