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Journal : Sumatra Journal of Disaster, Geography and Geography Education

Earthquake Vulnerability Assessment in Sanma Island, Republic of Vanuatu Jafar, Jafar
Sumatra Journal of Disaster, Geography and Geography Education Vol. 7 No. 2 (2023): Sumatra Journal of Disaster, Geography and Geography Education (SJDGGE) - (Dece
Publisher : Sumatra Journal of Disaster, Geography and Geography Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/sjdgge.v7i2.534

Abstract

The purpose of this assessment is to identify which councils on Sanma Island are vulnerable to earthquake hazards. To measure vulnerability, it is necessary to identify certain contributing components, including exposure, sensitivity, and adaptive capacity. Exposure and sensitivity contribute to increasing the vulnerability, while adaptive capacity contributes to decreasing the vulnerability. Using this scheme, we identify specific variables for each component. These variables are called vulnerability variables. Next, we employ the Analytic Hierarchy Process (AHP) to obtain scores for each variable. Following the vulnerability assessment, five councils are categorized as areas with high vulnerability scores, including Canal-Fanafo, East Malo, East Santo, West Malo, and West Santo. This is because these areas are relatively close to the source of the threat (earthquake hazard). Moreover, these councils have a limited number of public facilities.
Assessment of Waianae’s Vulnerability to a Category 4 Hurricane Jafar, Jafar; Jain, Shubhanshu; Erlangga, Wisnu
Sumatra Journal of Disaster, Geography and Geography Education Vol. 8 No. 2 (2024): Sumatra Journal of Disaster, Geography and Geography Education (SJDGGE)
Publisher : Sumatra Journal of Disaster, Geography and Geography Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/sjdgge.v8i2.617

Abstract

This research assesses the vulnerability of Waianae, a Census County Division on the northwest quadrant of Oahu, to a Category 4 hurricane. Combining socio-economic and risk assessment analyses, the study reveals that Waianae is highly susceptible to hurricane impacts, given its historical exposure and socio-economic disparities. The socio-economic vulnerabilities, including lower income, higher poverty rates, and increased unemployment, are compounded by physical vulnerabilities, such as limited access via Farrington Highway. Utilizing tools like HAZUS-MH and ArcGIS, the study quantifies potential damages, debris generation, social impacts, and economic losses in the event of a hurricane. The findings emphasize the urgent need for resilience-building measures, including local job creation, development of emergency shelters, and exploration of alternative evacuation routes. Addressing these vulnerabilities will enhance Waianae's preparedness and mitigate the potential impact of future hurricanes, fostering a more resilient and secure community.