Sudharmma, A., SG, A. and Retna Kumari, R. G., 2020. Macroscale (1:50,000) Landslide Susceptibility Mapping in parts of Toposheet nos. 58B/08, 58B/12, 58B/16, 58F/04 and 58F/08 in Ernakulam and Idukki Districts, Kerala.
Cut slope failure
Aanakkulam
Bison valley-Devikulam road
Retaining wall with weep holes founded on hard rock  to be constructed at scarp face.
Unscientific slope modification for building  construction which resulted in vertical cut with no lateral support. Excessive and incessant rainfall resulted in the reduction in strength on super-saturation and increase in pore water pressure.