A debris avalanche occurred at Mannarmala on the NW flank of the Mananarmala, Perinthalmanna taluk.  The slide got triggered due to rainfall of 205mm on the day of the incident.at the an elevation of 180m and depleted above the elevation 70m above MSL.Th
Report on recent Landslide in Erandadu and Perinthal Manna taluks, Malappuram district, Kerala, by C. Muraleedharan & M. Koshy John, Senior Geologists, Thiruvananthapuram, 2007 (LHIM_KER_2007_003)
Mannarmala
Kariyavattam
Afforestation
Pore water pressure, contour bunding