Singh, Maibam Pradipkanta and Kapfo, Kowe├╝, 2018; MacroScale (1:50,000) Landslide Susceptibility Mapping in parts of Toposheets no. 84E/01, 84E/05, 83H/04 & 83H/08, Aizawl and Champhai districts, Mizoram. GSI Report of FS 201718
Old landslide upslope
Ngopa village, 0 point to Tuivai river
Slope moderation, planned quarrying by Removal of jointed Rock blocks and Debris
Quarrying at the base of the slope, seepage at the base of the slide, flowing stream