A landslip/slump occurred at Chengara-Kottavumala on the SE flank of the Chengara hillock, Eranadu taluk on 17th July 2007. The area is reported to have witnessed landslips in 1956 and 1994. The area is prone to landslips. The slide got triggered due to
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)
Chengara-Kottavurmala
Kavanur
 Diversion of the water flows
Pore water pressure