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Seismic vulnerability assessment and loss estimation in Cephalonia and Ithaca islands, Greece, due to earthquake events: A case study
Soil Dynamics and Earthquake Engineering ( IF 4.2 ) Pub Date : 2020-09-01 , DOI: 10.1016/j.soildyn.2020.106252
Nikos Pnevmatikos , Foteini Konstandakopoulou , Nikos Koumoutsos

Abstract In this paper an estimation of seismic losses for various seismic scenarios of the Cephalonia and Ithaca islands, Greece, is proposed. The area under consideration is located in one of the most seismically active regions with the most damage and human casualties in recent history. Seismic losses were estimated at buildings, economic and human level. The estimation method is based on the assumption that seismic risk depends on vulnerability and seismic hazard. Vulnerability estimation was done by detailed fragility curves representing the structures in the area. Subsequently, losses in the wider area were estimated for various seismic risk scenarios. Parametric scenarios for different earthquake level and retrofit strategy were performed. The earthquake loss estimation software ELER (Earthquake Loss Estimation Routine) was used for the calculations. The numerical results extracted and their comparison with results from actual earthquake loss showed that losses can be estimated in the same order of magnitude as the real data and thus enable the state to be better prepared to deal with future earthquakes more effectively.

中文翻译:

由于地震事件,希腊凯法利尼亚岛和伊萨卡岛的地震脆弱性评估和损失估计:案例研究

摘要 本文提出了希腊凯法利尼亚岛和伊萨卡岛各种地震情景的地震损失估计。所考虑的地区位于近代历史上地震最活跃、破坏和人员伤亡最多的地区之一。地震损失是在建筑物、经济和人类层面进行估计的。估计方法基于地震风险取决于脆弱性和地震危险性的假设。脆弱性估计是通过代表该地区结构的详细脆弱性曲线来完成的。随后,针对各种地震风险情景估计了更广泛地区的损失。执行了不同地震级别和改造策略的参数化场景。地震损失估计软件 ELER(Earthquake Loss Estimation Routine)用于计算。提取的数值结果及其与实际地震损失结果的比较表明,损失可以在与真实数据相同的数量级上进行估计,从而使国家能够更好地准备更有效地应对未来的地震。
更新日期:2020-09-01
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