Sensing the vulnerability of population centers against earthquake risk (Case Study: town Saadi of Shiraz in Zone 3)

Shiraz, Fars province and the area seismically active part of the Zagros folds and has high seismic potential is continuous. Saadi town located in the district 3 city, with an area of approximately 312 hectares and a population of about 55,000 people, has very old residential area that is the subject matter of the vulnerability of the city to the earthquake crisis compounds said. The purpose of this research was to investigate the status of city buildings Saadi of Shiraz, according to the criteria of vulnerability to earthquake.The current research is of developmental-applied studies in terms of its aim and of descriptive-analytical studies in terms of its nature. Population of the study, all the city buildings and the statistical sample, Saadi of Shiraz settlement building is located in the municipal district 3. To collect data, from surveys and field studies used a library and according to the information obtained, go to organizations related, use of comprehensive plans and detailed city and define measures of vulnerability maps prepared for each indicator. Finally, after weighing criteria using AHP and Expert Choice program, use of GIS capabilities in overlapping data layers, the final plan of the vulnerabilities of the studied area is obtained The results indicate that the town of Saadi of Shiraz with dense texture and old, have a high vulnerability to the earthquake and the tombs of the densely populated residential neighborhoods and surrounding buildings are not in good condition, which is essential to the standardization and retrofitting homes to be more careful.