عنوان مقاله [English]
Â Natural disasters are known as one the most important factors in demolition human settlement. So study of impacts of natural disasters one human settlements specially cities are an important for urban planners Iran had been faced with natural disasters specific earth quake because of its geographical position (its located on world earth quake belt). Some earth quakes cause many human, financial and physical destruction every years in regard to their gravity. In this research tried to study vulnerability due to earth quake in urban texture of zone 11 Tehran municipality. Research methodology is based on AHP simple model. with using of this method reveals that urban texture of studied area is vulnerable because of ratio of memnetary residential units , ratio of residential lots area under 100 meters to total lots , ratio lenghth of pathways under to section area , high population and residential density , and this vulnerability is in section of 19, 18, 15, 12, 16, 13, 17, 11 and 8. after revitalization of zone vulnerability finally, concluded a few results an presented needed proposals.