Measure of user behaviour before and during disaster congestion

Network congestion during large scale disasters seems inevitable. Sudden influx of traffic caused by users calling their loved ones, coupled with the possibility that many base stations and routers in the area are damaged by the disaster; leads to resource shortage which causes congestion, which in turn causes many users becoming disgruntled and their quality of experience dropping. If a study can be made on predicting user behaviour, based on usual user habits and way of acting immediately after a disaster, then the network provider can regulate traffic accordingly or take precautions in areas within disaster zones.