On August 15, 2018, one cut slope failure happened behind a house  near Kollamula,  with a length of 15 m, width of 22 m and height of 13 m. During the event,  One house belonging to Aby Philipose, Thadathil, Thulappally got partially damaged. The causat
the trees on the near vicinity of the crown portion on loose overburden is at high risk, the cut slope is situated very close to the settlement.
Kollamula slide 3
Kollamula
Unstable debris material on the slide area needs to be removed; a concrete retaining wall with weep holes and lined toe drainage need to be constructed, trees near the crown portion of the slide needs to be removed, which are at high risk.
Unscientific cutting of slope behind the house, increase in pore water pressure and decrease in shear strength of the overburden material rsulted in failure of slope.