Contiunuous rainfall causing built up of pore pressure, river flooding leading to toe erosion caused this landslide

An interim report on Preliminary slope stability assessment of recent disaster affected areas of Pithoragarh District, Uttarakhand by A Bishwapriya, Suptg. Geologist, M V Dhakate and P K Gajbaiye, Sr Geologist, M IV, NR,Dehradun (LHZ/NR/UPUK/2013/056)
River flooding led to toe cutting of river terrace, this accentuted with pore pressure development due to excessive rainfall
UK/Pith/ Munsiyari-Jauljibi/Vil/BE/0029
Village Umargarh
Dredging of the river from original course, Flood Protection walls
Presence of loose and unconsolidated material, flooding of the river with high current, development of the pore pressure and reduction of the shear strength of the material due to saturation by water percolation, gully erosion and toe erosion in soil.