Rainfall led to increase in discharge and velocity of flowing nala and also caused saturation of slope material resting on steep slope with natural drainages, which eventually resulted in slope failure by toe erosion.
Nair,V,Athira., Jamir, I., 2022, Remote Sensing based Macro-scale (1:50,000) landslide susceptibility mapping in Toposheets82L/16, 82P/1,2,3,4,5,6 ; 83I/13,14 & 83M/01 covering  parts of West Siang East Siang, Upper Siang, Dibang Valley and Lower Dibang
Toe erosion by river
Mariyang-Yingkiong road Slide 5
NH-513
Since there are no elements at risk, no remedial measures are suggested.
NA