Causes of landslide

The present article investigates influential factors in land sliding phenomena in Qozlu village. According to the investigations and field studies, Qozlu village is located on an old land sliding zone and settlements in southern, western and central village have been damaged due to the activities of a sliding mass heel. Main factors influencing land slide in Qozlu village include undercutting and elimination of lateral supports by distributaries of Anguran Chay River, increasing discharge of springs along the drift limit of Qare Naz-Qozlu fault, irrigation of gardens in the sliding mass heel and domestic sewage entering the sliding mass and lower permeability horizon of Qom formation Conglomerate.