Theophilus, P.K. and Megotsohe Chasie, 2014. Updation of existing landslide inventory of North Eastern Region. GSI, RHQ, NER, Shillong,  Item Code: SER/NER/RHQ/2013/030; Unpub. GSI Report of FS 2013-2014
Failure occured on the scree/colluvial deposit, as such no bedrock is observed.
H. M. C. Road
Cause attributed to Inherent slope forming material, Damp to flowing condition of slope, Development of pore / hydrostatic pressure, Probably gully erosion