need assessment for emergency supply in evacuation places after earthquakes

During the first few days after a big disaster (such as a strong earthquake) where many people can be affected, providing necessary supply (such as tent, water, food, etc.) for victims and survived people are big challenges for disaster management authorities. this is mainly because of huge amounts of requests, blockage of road network, security issues and limited resources available in the affected region. in many cases, such as sarpol-e zahab, iran earthquake of 2016, delay in providing basic requirements for the affected population, caused severe social and security issues for many days, aftermath of the disaster.