Debris Flow  occurred at Manjappara  on 15th August 2018  due to unscientific hill slope modification for cultivation. Natural nala contribute toe erosion and reduction of strength on super saturation due to excess pore water pressure which inturn cause
Manjappara-Bhoomiyamkulam road got damaged and a retainning wall already existing below the road bench damaged.
Manjappara
Natural nala path has to be cleared and maintain the flow. Manjappara-Bhoomiyamkulam road has to be repaire and reconstruct with a box culvert of suitable dimension at the road bench.Retaining wall has to be provided  with suitable filler medium and  wee
Unscientific hill slope modification for cultivation. Natural nala contribute toe erosion and reduction of strength on super saturation due to excess pore water pressure which inturn cause a debris Slide along  a weathered seam graded into debris flow.