Known old slide zone
Chasie M. &  Theophilus P.K., 2017: Updation of existing landslide inventory of North Eastern region based on the new incidences as and when occurs during the period, Unpubl. GSI progress report for FS 2016-91
The area is located on very important road corridor i.e., Dimapur-Kohima. It needs special attention. As per BRO authorities the subsidence occurred in this area in 2013 and got reactivated on 25.07.2015. It again reactivated on 09.07.2016. The down slop
Landslide at Chainage 171.2 km on Dimapur-Kohima (NH-2).
Dimapur-Kohima highway (NH-29).
1) The subsided road may be backfilled with rock fill with proper drainage outlet. The filled material may be provided with pavement/ tar asphalt so to make the filled surface impervious.
2) For better results, infiltration of water from the upslope side
1) Thick overburden (~3.0m) formed dominantly of clay. 2)  The shale and clay predominantly found as slope material as well as on the road. The low permeability of the material was the cause for increased pore pressure due to high clay content, thus redu