Abstract
The earthquake is considered one of the most devastating disasters in any area of the world due to its potentially destructive force. Based on the various earthquake-related parameters, the risk assessment is enabled in advance to prevent future earthquake disasters. In this paper, for providing the shelter space demands to reduce the damage level and prevention costs, an earthquake risk assessment approach is proposed for deriving the risk index based on multiple spatial parameters in the gridded map. The proposed assessment approach is comprised of pre-processing, methodology model, and data visualization. The risk index model derives the earthquake risk index by multiple spatial parameters including indexes of earthquake, danger, shelter, and building for blocks in the quantitative gridded map. The parameters are provided based on mathematical models and combined with the risk index that presents the earthquake risk assessment result for each block. Therefore, the gridding approach is proposed to provide the elements of the risk assessment area that are used in the spatial parameters. The gridded map is developed for the selected area to visualize risk index parameters associated with each risk zone. Based on the derived result of the proposed earthquake risk index model, emergency shelter requirements are provided according to the risk index for each location, which supports safety measures in advance to prevent future earthquake disasters.
Highlights
In recent years, reducing earthquake risk and improving capacities is one of the main concerns of the global disaster management authorities to respond to the potential impacts of earthquakes [1,2,3]
We propose an earthquake risk assessment approach to derive the earthquake risk index based on multiple parameters, such as earthquake index, danger index, shelter index, and building index for providing the shelter space demands to reduce the damage level and prevention costs
This paper proposes a novel earthquake risk index model for estimating risk index based on multiple parameters, such as earthquake index, danger index, shelter index, and building index using a gridded map
Summary
In recent years, reducing earthquake risk and improving capacities is one of the main concerns of the global disaster management authorities to respond to the potential impacts of earthquakes [1,2,3]. The initial estimation of the emergency shelter demands, building damages, potential fatalities based on the earthquake capacity, and the area is one of the major pre-requisites for the administration and ensuring safety measures Because all these estimation indexes are used as important tools in earthquake disaster rescue operations, which can be effective and useful for an immediate response and long-term measures [8,9]. The approach is effective to plan and estimates the earthquake shelter index in advance to reduce the damage caused by the earthquake disasters and ensure safety measures to prevent residents [10]. The proposed approach is focused on developing an earthquake risk index model based on multiple parameters to estimate Risk Index (RI) in advance to reduce fatalities and economic loss.
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