On 15th August 2018 a debris flow occurred along a seasonal first order stream near Puttankadu village, uprooting trees and carrying enormous quantity of debris material. The geoscientific cause for the slide is  reduction in shear strength due to increa
Uprooted of trees noticed along the stream channel
Puttankadu debris flow1
Puttankadu village
Removal of unstable debris material from along the stream channel and from slide source
Reduction in shear strength due to increased pore water pressure of slope material, heavy flow of water along a seasonal first order stream, widening of channel, cross cutting joints in bedrock