It is a palaeo slide which was again triggered by toe cutting by the seasonal Pawar nala. Heavy rain in the month of June and continuous percolation of water through cracks/ agriculture land led to the removal of fines causing differential settlement.

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_ 027
Near Govind Marg Gurudwara (Pakhi)
Diversion of surface run off, retaining wall for toe protection, sealing of cracks with impervious material, growing crops that require less water, breast wall with weep holes.
Continuous heavy rainfall  for 3-4 days resulted in saturation and reduction in shear strength of debris material, toe cutting by Pawar nala, differential settlement due to removal of fines from debris material.