A debris avalanche occurred at Poothamkuzhi on the SW flank of Umi kunnuabout 1.5km SE of pondandam, Mangalam dam village. The general trend of foliation ranges from N85?E-S85?W dipping 70?SE to E-W dipping 70?SE. Four sets of joints are discernible in
Report on the recent Landslides in Alathur and Chittur taluks, Palakkad district, Kerala, by C. Muraleedharan & M.N. Praveen,Senior Geologists Thiruvananthapuram. (LHIM_KER_2007_015)
Natural hill slope, thin layer humus. Weathered rock
Poothamkuzhi
Mangalam dam
Soil-binding afforestation
Excess pore water pressure