Heavy rainfall led to saturartion of overburden material and increase in pore water pressure, bank erosion due to flood in Alaknanda River. 

An Interim Report on Preliminary  Geological  Slope Stability Assessment of the Recent Disaster Affected Areas in Parts of Chamoli District, Uttarakhand by Bhupendra Singh, Bhupender Singh, Ajay Kumar and Arindam Roy, Senior Geologists, M-IV, NR GSI Dehr
UK_CHA_NH_ 032
Chamoli/Gopeshaver (Right bank of Alaknanda)
Diversion of surface run off, concrete or boulder crate wall with deflection spurs, slope modification by providing benches.
Heavy rainfall led to saturartion of overburden material and increase in pore water pressure, bank erosion due to flood in Alaknanda River.