Debris flow occurred at Mulakuvalli, the main geoscientific causes are hill slope modification,  reduction of strength on super saturation due to excess pore water pressure. House of Thomas V.P, Vallikavingal partially damaged due to cut slope failure at
The hill experienced 5 debris flow
Mulakuvalli
For the house retaining structure to be founded on hard rock with weep holes and fiter material at the back side of the house were cut slope failure was noticed
Slope modification for cultivation, heavy rainfall contributed reduction in strength, natural seepage during rainfall is also a cause.