Abstract
The present study deals with Tupul landslide in Manipur which triggered on the intervening night of 29th -30th June 2022 in Noney district of Manipur. The death toll was 61 persons in total from Territorial Army, NF Railway’s employees, Villagers and labours from various contractors in the construction of railway line from Jiribam to Imphal. We have conducted a drone survey on the landslide site for preparation of large-scale terrain map and compared 2009 CARTOSAT image to pick up the slip surfaces. The detailed fieldwork of the study area deciphers highly jointed, fractured, faulted rock formations and display neo-tectonic movements. The slope failure analysis was conducted using the Phase-2 software and the failure was compared with the Drone made DEM, which is used to estimate the volume of debris falling on the railway formations. The excessive precipitation (375.6mm) during the May 2022 was recorded near the landslide site which was 60% more than the normal precipitation. In order to maintain the safety of the man and materials for the future, a number of suggestions were proposed for future monitoring of slope along coming up railway lines of Northeast Frontier Railways.
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