On 15th August 2018 Debris slide have occurred at Perumkala  because of unscientific slope modification for house construction, reduction of strength on super saturation due to excess pore water pressure and cutting of toe for road construction. Failure
Perumkala
Easing of slope and channelising lined road side drainage.
Unscientific slope modification for cultivation. Reduction of strength on super saturation due to excess pore water pressure. Failure in rock overburden contact and  weathered seam.