As per the media report, landslide was triggered at Lanthakhola near Mangan on 8 July 2014 evening by heavy down pour in Sikkim’s North district. Due to the slide and blockage of road,  normal communication affected the connectivity between Mangan and
Megotsohe, C., et al., 2014. Updation of existing landslide inventory of North Eastern Region. GSI, RHQ, NER, Shillong,  Item Code: SER/NER/RHQ/2014/037; Unpub. GSI Report of FS 2014-2015
Lanthakhola
Lanthakhola (On Mangan to Chungthang road )
Reduction of strength on supersaturation,improper retaining wall