The slide zone has numerous ground cracks and is in highly unstable condition. A detailed site specific study is recommended
Vellurkunnam slide
Vellurkunnam
Benching of slope, construction of concrete retaining wall with weep holes and lined toe drainage behind the house, checking and treatment of water seepage from a water tank belonging to kerala water board, situated at upslope of the slide
Increase in pore water pressure and decrease in shear strength of the overburden material  due to heavy rainfall for prolonged period, percolation from the water tank placed to the upslope of the slide