Continuous and heavy rainfall had saturated the slope mass which led to reduction in shear strength and ultimate failure of the slope.

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_SH_ 017
500 m NW of Ringi Village
Slope dressing and unlolading of slope material, channelisation of water, breast wall with weep holes and lined toe drain.
Heavy precipitation resulting in saturation of debris mass and reduction in shear strength of the slope mass.