Debris slide  occurred in  Perunkala on 15th August 2018  at the front of Peruman Ponnan, Neerapel  and the geoscientific cause being the slope cut for road construction, also due to heavy rainfall which caused in reduction of strength on super saturatio
Road construction has left the vertical cut with no lateral support when the road  was widened 2 years back.
Perumkala
Suitable retaining structure to be constructed in front of house to hold the filled material and filling of ground cracks with locally available material such as Betonite clay and Bitumin.
Reduction of strength on super saturation due to excess pore water pressure. Cut slope failure. House constructed with cut and fill material taken from slope.