Basin Effect of Wenchuan Earthquake From NGA-West2 Data

Ting Huang, Qing Wu, Xueliang Chen (), Tiefei Li, Zongchao Li, Zhiwei Ji and Lijun Qiu
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Ting Huang: China Earthquake Administration, Institute of Geophysics
Qing Wu: China Earthquake Administration, Institute of Geophysics
Xueliang Chen: China Earthquake Administration, Institute of Geophysics
Tiefei Li: China Earthquake Administration, Institute of Geophysics
Zongchao Li: China Earthquake Administration, Institute of Geophysics
Zhiwei Ji: China Earthquake Administration, Institute of Geophysics
Lijun Qiu: China Earthquake Administration, Institute of Geophysics

A chapter in Proceedings of the 10th Annual Meeting of Risk Analysis Council of China Association for Disaster Prevention (RAC 2022), 2023, pp 122-126 from Springer

Abstract: ABSTRACT In this paper, we use the BSSA14 model which based on the Wenchuan earthquake data in the NGA-West2 released by the Pacific Earthquake Engineering Research Center in 2013, to study the impact of basin effect on response spectrum.Then we fit the basin coefficients under different site conditions (Vs30=365 and 760 m/s)are fitted, and summarize the relationship between basin coefficients and basin depth parameters. There is evidence that the basin has different effects on long-period ground motion under different site conditions, but the amplification coefficient of the basin increases with increasing depth.

Keywords: NGA-west2; Basin coefficient; Wenchuan earthquake; GMPE (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:spr:advbcp:978-94-6463-194-4_17

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DOI: 10.2991/978-94-6463-194-4_17

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