Decision support system for community earthquake drills and evacuation

Azarbakht, Alireza and Douglas, John (2022) Decision support system for community earthquake drills and evacuation. In: Third European Conference on Earthquake Engineering and Seismology, 2022-09-04 - 2022-09-09.

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Abstract

Decision making to mitigate the effects of natural hazards, such as earthquakes, has always been a challenging subject. This is particularly the case in periods of increased seismicity (e.g. in a foreshock or aftershock period of a major earthquake) when the population is anxious and would like advice but when the chance of potentially damaging earthquake ground motions in the coming days remains low. In this study, a decision-making method based on multiple criteria is combined with cost-benefit analyses to create a hybrid decision-making framework to help decide amongst potential loss mitigation actions. The proposed framework is demonstrated for a hypothetical case study. The results show that the proposed approach is flexible enough to adapt to new problems, end-users and stakeholders. Additionally, it is revealed that reasonable mitigation actions are viable and financially beneficial during periods of increased seismic hazard in order to reduce the potential consequences of earthquakes.

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