A debris flow occurred on 14th June, 2018 at Chettiyampara colony inKurumbilangod Village in Malappuram District. The slope has been modified for plantation purpose by blocking natural drainage. Heavy antecedent rainfall for 3 days preceding the event re
Chettiyampara colony
Chettiyampara colony Erumamunda, ,Kurumbilangod Village, ambur Taluk
The overburden material (12 m thick) has been stripped off exposing fresh bed rock along the runout path. Dislodged boulders along the runout path/nala should be removed. Natural drainage should be maintained.
Natural slope had been modified for planting crops by blocking natural gullies and streamlets. Heavy antecedent rainfall for 3 days preceding the event resulted in building up of excess pore water pressure and reduction of strength on saturation. Landsli