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Shallow crustal earthquake models, damage, and loss predictions in Banda Aceh, Indonesia
Geoenvironmental Disasters ( IF 3.8 ) Pub Date : 2020-02-05 , DOI: 10.1186/s40677-020-0145-5
Ibnu Rusydy , Yunita Idris , Mulkal , Umar Muksin , Phil Cummins , Muhammad Nouval Akram , Syamsidik

The city of Banda Aceh stands on Holocene fluvial basin sediment, surrounded by the Aceh and Seulimeum fault segments where large magnitude earthquakes can occur at any time. Such earthquakes could cause extensive physical infrastructure damages, injuries, and economic loss. This research aims to produce several earthquake scenarios, to determine the damage ratio of the buildings and its distribution in these different scenarios and to estimate the number of potential casualties and economic loss. Data analysis in this research includes modelling an earthquake by applying a ground motion model for shallow crustal earthquakes to yield an intensity map after the correction for site effects. The damage ratios for different types of buildings were calculated using the fragility curves of buildings that were developed by other researchers. Building occupants at different times, building damage ratios, and injury ratios were used to determine the number of injured residents in the earthquake scenario. The results show that Banda Aceh could be potentially experience earthquake ground motion within the intensity range from MMI VII to IX due to earthquakes of Mw 6.5 to Mw 7.0. The Mw 7.0 earthquake on the Aceh segment is the worst case scenario, causing building damage throughout Banda Aceh with casualty rates of 3.5–20% of the population in buildings in general if it happened during daytime, with economic loss about 3320 million USD. Mitigation and preparedness programs for the Banda Aceh community are therefore very important in order to reduce the potential level of damage, personal injury, and economic loss due to future earthquakes.

中文翻译:

印度尼西亚班达亚齐的浅层地壳地震模型,破坏和损失预测

班达亚齐(Banda Aceh)市位于全新世河流盆地沉积物上,周围环绕着亚齐(Aceh)和Seulimeum断层段,随时可能发生大地震。此类地震可能导致广泛的物理基础设施损坏,人员受伤和经济损失。这项研究旨在产生几种地震情况,以确定建筑物在这些不同情况下的损坏率及其分布,并估计潜在的人员伤亡和经济损失。这项研究中的数据分析包括通过对浅层地壳地震应用地面运动模型对地震进行建模,以在校正场地效应后生成强度图。使用其他研究人员开发的建筑物的脆性曲线来计算不同类型建筑物的破坏率。使用不同时间的建筑物占用者,建筑物损坏率和伤害率来确定地震情景中受伤的居民人数。结果表明,由于Mw 6.5至Mw 7.0地震,班达亚齐(Banda Aceh)在MMI VII至IX强度范围内可能经历地震地震动。亚齐段的7.0级Mw地震是最坏的情况,如果在白天发生,整个班达亚齐的房屋都将遭受破坏,一般来说,建筑物的人员伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐(Banda Aceh)社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。使用伤害比确定地震情景中受伤的居民人数。结果表明,由于Mw 6.5至Mw 7.0地震,班达亚齐(Banda Aceh)在MMI VII至IX强度范围内可能会经历地震地震动。亚齐段的7.0级Mw地震是最坏的情况,如果在白天发生,整个班达亚齐的房屋都将遭受破坏,一般来说,建筑物的人员伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。使用伤害比确定地震情景中受伤的居民人数。结果表明,由于6.5 Mw至7.0 Mw地震,班达亚齐在MMI VII至IX强度范围内可能经历地震地震动。亚齐段的7.0级Mw地震是最坏的情况,如果在白天发生,整个班达亚齐的房屋都将遭受破坏,一般来说,建筑物的人员伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐(Banda Aceh)社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。结果表明,由于Mw 6.5至Mw 7.0地震,班达亚齐(Banda Aceh)在MMI VII至IX强度范围内可能会经历地震地震动。亚齐段的7.0级Mw地震是最坏的情况,如果在白天发生,整个班达亚齐的房屋都将遭受破坏,一般来说,建筑物的人员伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。结果表明,由于Mw 6.5至Mw 7.0地震,班达亚齐(Banda Aceh)在MMI VII至IX强度范围内可能经历地震地震动。亚齐段的7.0级Mw地震是最坏的情况,如果在白天发生,整个班达亚齐的房屋都将遭受破坏,一般来说,建筑物的人员伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐(Banda Aceh)社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。亚齐段的0级地震是最坏的情况,如果在白天发生,整个班达亚齐市的建筑物都将遭受破坏,一般人员的伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐(Banda Aceh)社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。亚齐段的0级地震是最坏的情况,如果在白天发生,整个班达亚齐市的建筑物都将遭受破坏,一般人员的伤亡率为3.5–20%,经济损失约为33.2亿美元。因此,为减少班达亚齐社区的减灾和备灾计划非常重要,以减少由于未来地震造成的潜在破坏,人身伤害和经济损失。
更新日期:2020-02-05
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