Debris Flow  occurred in  Perunkala on 15th August 2018  due to heavy rainfall and the geoscientific cause being the unscientific slope modification for road construction. Reduction of strength on super saturation due to excess pore water pressure and cu
Perumkala
Easing of slope  and pitching and turfing of slope.
Unscientific slope modification for road construction. Reduction of strength on super saturation due to excess pore water pressure and cutting of toe for road