On 15th August 2018, due to continuous rainfall for 3 days, a debris flow occurred near Mundanpara,  Pathanamthitta District, having 10 m length, 8 m width and 110 m run out distance.  Due to heavy rainfall, the pore water pressure of the slope forming m
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Mundanpara slide 7
Mundanpara
Unstable debris material on the upslope as well as along the slide course needs to be removed, No settlement should be allowed on the near vicinity and across the slide course/Nala. A slab culvert need to be constructed along the flow path for un disturb
Due to heavy rainfall, the pore water pressure of the slope forming material got increases which in turn decreased shear strength of the material resulting in  slope failure and forceful discharge of water and debris along the seasonal stream.