格鲁吉亚混合经验地面运动估计

IF 2 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS
N. Tsereteli, A. Askan, H. Hamzehloo
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引用次数: 5

摘要

从地震设计和分析到概率地震灾害评估,地震动预测方程在许多方面都是必不可少的。在没有足够强的地面运动数据来建立经验模型的地震活跃地区,混合模型变得至关重要。格鲁吉亚没有足够强的地面运动数据来建立经验模型。在这项研究中,我们在格鲁吉亚的两个不同来源机制的地区应用了宿主-目标方法。根据靶区的构造格局,选择了两个不同的区域作为寄主区。其中一个位于土耳其,走滑震源机制占优势,另一个位于伊朗,逆机制事件盛行。我们在宿主和目标区域进行了随机有限故障模拟,并采用Campbell(2003)介绍的混合经验方法。在格鲁吉亚选定的时期,获得了PGA和SA的初始混合经验地震动估计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hybrid-Empirical Ground Motion Estimations for Georgia
Ground motion prediction equations are essential for several purposes ranging from seismic design and analysis to probabilistic seismic hazard assessment. In seismically active regions without sufficiently strong ground motion data to build empirical models, hybrid models become vital. Georgia does not have sufficiently strong ground motion data to build empirical models. In this study, we have applied the host-totarget method in two regions in Georgia with different source mechanisms. According to the tectonic regime of the target areas, two different regions are chosen as host regions. One of them is in Turkey with the dominant strike-slip source mechanism, while the other is in Iran with the prevalence of reverse-mechanism events. We performed stochastic finite-fault simulations in both host and target areas and employed the hybrid-empirical method as introduced in Campbell (2003). An initial set of hybrid empirical ground motion estimates is obtained for PGA and SA at selected periods for Georgia.
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来源期刊
Acta Geophysica
Acta Geophysica 地学-地球化学与地球物理
CiteScore
3.90
自引率
13.00%
发文量
251
审稿时长
5.3 months
期刊介绍: Acta Geophysica is open to all kinds of manuscripts including research and review articles, short communications, comments to published papers, letters to the Editor as well as book reviews. Some of the issues are fully devoted to particular topics; we do encourage proposals for such topical issues. We accept submissions from scientists world-wide, offering high scientific and editorial standard and comprehensive treatment of the discussed topics.
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