On 15th August 2018, a debris flow occurred near Kunthanpara, Kottayam  District.  During heavy rainfall due to unscientific hill slope modification and plantation, increase in pore water pressure and decrease in shear strength of the overburden material
Panackachal_1
Panackachal
Removal of boulders from the slide area and no further slope modification and plantation should be allowed. Natural flow of water along the hill slope should not be blocked.
Unscientific hill slope modification and plantation.Excessive rainfall is the triggering factor which resulted in the reduction of strength on supersaturation and increase in pore water pressure.