Toe erosion by high current of river and the human activity related to road construction were the main factors responsible for 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)
Similar kind of slide is noticed on other bank also. Hence risk of blocking of river due to debris run off into the river is possible.
UK/Pith/ Tawaghat-Jauljibi/LS/0046
State Highway
Regrading of the slide material; Protection by geo-jute and plantation. Retaining structure towards valley side and flood protection wall
The major geological causes are presence of loose/unconsolidated material, toe erosion in soil/debris due to heavy flash flood and gully erosion . Also the development of pore water pressure and reduction of shear strength due to water percolation added