This landslide took place due to climatological factors. Rainwater seeped through the joints and pores which got dammed up later on causing this landslide. 

 A report on recent landslides in Thodupuzha, Udumbanchola and Devikulam taluks, Idukki district, Kerala by C. Muraleedharan, Geologist (Sr) and M. P. Muraleedharan, Director, Opn TNPK, Unit Kerala, Thiruvananthapuram (2007)

Edadumuttam 2nd Landslide
Elappally village
Afforestation, awareness campaign, less settlements on high slopes. Precaution may be taken during rainy season.
This landslide occurred on a slope comprising thin layer of humus underalain by lateritic soil and admixture of cobbles, pebbles etc. As a result of incessant rainfall water percolated through thin soil cover as well as through highly jointed bedrock and