A debris flow occurred along a seasonal stream at 22nd block, Seethathodu village having a length of 16 m, width of 9 m and run out distance of 180 m on 15th August 2018 due to prolonged rainfall for past 3 days.  The geo-scientific cause of the slide wa
For agricultural activity, the natural flow path was partially blocked by constructing random rubble walls, which further added material to the debris flow. Houses were constructed along the flow path of the seasonal stream, by blocking the water flow. A
22nd Block slide
22nd block, Seethathodu
Unstable debris material on the upslope as well as along the slide course needs to be removed.  No settlement should be allowed along and near vicinity of the slide course. Slab culvert across the road needs to be constructed for the free flow of water a
The geo-scientific cause of the slide was increase in pore water pressure and decrease in shear strength of the overburden material resulting in failure of slope along with heavy discharge of debris and water.