an urban seismic risk and resilience model for isfahan

Many private and public stakeholders are directly or indirectly affected by the impact of earthquakes in a urban area. therefore, it is crucial for such organizations to know about the overall level of seismic risk that the assets of their concern face. the portfolio risk assessment studies that estimate such a risk play a fundamental role in the sustainable development of an urban area, providing local and national authorities and other private decision makers with valuableinformation for devising the most appropriate risk mitigation actions. these actions include post-disaster emergency planning, building retrofitting campaigns, creation of insurance pools, and strategic urban planning, amongst other measures. the greater isfahan (32°38′n 51°39′e) is a historical and touristic city in the center of iran. it has a population of about 1.6 million according to the 2016 census, the third most populous metropolitan area in iran after tehran andmashhad. according to the seismic zonation of the iranian design code, isfahan is located in a seismically moderate zone with reference peak ground acceleration, pga, on rock equal to 0.25g for 475 years return period.