The Study of Urban Textures Vulnerability against the Earthquake Crises (Case study: Region 8 Municipality of Tabriz)

One of the issues that most cities of the world are involved is natural disasters.The need to reduce vulnerability of cities against natural disasters such as earthquakes can be considered as one of the main objectives of urban planning and urban designing.Therefore, the present study aims to identify the vulnerable pieces of district 8 of Tabriz against earthquake.In this study, 9 indicators of population density, building density, land usage, microlithicity, access to relief centers, open space, quality of materials, quality of buildings and distance from risk making centers were selected.Then, by the use of ANP method and combining the related criteria in GIS environment, vulnerability of the district 8 of Tabriz was investigated.The results showed that more than 43% of the parts of district 8 of Tabriz have high and very high vulnerability against earthquake that high vulnerability can be seen in old quarters due to the very narrow and dead-end passages, small and breakable parts, old buildings with less durable materials and neglected building privacies.According to the zoning map, about 15.84 percent had average vulnerability and 29.94 percent less vulnerability.Considering the vulnerability of the district, proper planning to organize the mentioned buildings is needed.