Heavy rainfall for 3-4 days caused flooding of river and thus toe cutting of river banks accentuated with development of pore pressure in the unconsolidated loose pebbles, cobbles material on the slope adjacent to river bank

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 course shifted towards left side.
UK/Pith/ Munsyari- Jauljibi/Vil/BE/0024
State Highway
Dredging of the river and diverting to original course, Flood protection wall all along the affected area. No further construction in between present river bank and road.
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.