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Northern Aegean Earthquake (M-w=6.9): Observations at three seismic downhole arrays in Istanbul

机译:爱琴海北部地震(M-w = 6.9):在伊斯坦布尔的三个地震井下阵列进行的观测

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摘要

The Northern Aegean Earthquake (M-w=6.9M-L=6.5) took place on May 24, 2014 between the islands of Gokceada, Turkey and Samothraki, Greece. The tremors were felt as far as in Istanbul, about 300 km on the East - Northeast (ENE) side of the epicenter. Kandilli Observatory and Earthquake Research Institute (KOERI) of Bogazici University, Turkey operate three downhole arrays in Istanbul, namely Atakoy (ATM), Fatih (FTH) and Zeytinburnu (ZYT) arrays. In this study, waveforms and site response observed at the KOERI operated seismic downhole arrays during the May 2014 Northern Aegean Earthquake (NAE2014) are analyzed in detail and presented. Evaluation of the acceleration records have shown low amplitude but long period and long duration motions at Istanbul. Furthermore, the analyses of the recordings suggest that V-s30 alone may not be a sufficient parameter for the characterization of site amplification. (C) 2015 Elsevier Ltd. All rights reserved.
机译:2014年5月24日,爱琴海北部地震(M-w = 6.9 M-L = 6.5)发生在土耳其Gokceada岛和希腊Samothraki岛之间。直到震中的东-东北(ENE)侧约300公里的伊斯坦布尔,都感受到了地震。土耳其Bogazici大学的Kandilli天文台和地震研究所(KOERI)在伊斯坦布尔运营着三个井下阵列,分别是Atakoy(ATM),Fatih(FTH)和Zeytinburnu(ZYT)阵列。在这项研究中,详细分析并介绍了2014年5月北爱琴地震(KOERI)运作的地震井下阵列观察到的波形和现场响应。对加速度记录的评估表明,伊斯坦布尔的振幅较低,但运动周期较长且持续时间较长。此外,对记录的分析表明,仅V-s30可能不是表征位点扩增的足够参数。 (C)2015 Elsevier Ltd.保留所有权利。

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