Ground motion prediction equation for the Kathmandu Valley, Nepal based on strong motion records during the 2015 Gorkha Nepal earthquake sequence

Mori, Takuho; Shigefuji, Michiko; Bijukchhen, Subeg; Kanno, Tatsuo; Takai, Nobuo

Ground motion prediction equation for the Kathmandu Valley, Nepal based on strong motion records during the 2015 Gorkha Nepal earthquake sequence

Mori, Takuho; Shigefuji, Michiko; Bijukchhen, Subeg et al.

Soil Dynamics and Earthquake Engineering, 2020, 135, 106208

Permalink : https://hdl.handle.net/2115/78975

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論文情報

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アクセス権	open access
URI	https://hdl.handle.net/2115/78975
タイトル	Ground motion prediction equation for the Kathmandu Valley, Nepal based on strong motion records during the 2015 Gorkha Nepal earthquake sequence
著者	Mori, Takuho ; Shigefuji, Michiko ; Bijukchhen, Subeg ; Kanno, Tatsuo ; Takai, Nobuo
著者名 Mori, Takuho
e-Rad_Researcher 90708463 著者名 Shigefuji, Michiko
著者名 Bijukchhen, Subeg
e-Rad_Researcher 80363026 著者名 Kanno, Tatsuo
e-Rad_Researcher 10281792 著者名 Takai, Nobuo
言語	英語
キーワード	2015 Gorkha Nepal earthquake sequence
	Long-period ground motion
	Kathmandu Valley
	Site amplification
	Ground motion prediction equation
	Bedrock depth
発行日	2020-08
出版者	Elsevier
収録物名	Soil Dynamics and Earthquake Engineering
巻(号)	135
ページ	106208
抄録	Single-site ground motion prediction equations (GMPEs) for the acceleration response spectra of each site in the Kathmandu Valley was constructed using strong motion records of magnitude 5.0 through 7.3 the 2015 Gorkha Nepal earthquake aftershocks observed at eight sites in the Kathmandu Valley. The regression coefficient for the site term has a strong correlation with the bedrock depth at each site in the Kathmandu Valley. Therefore, a new GMPE applicable to the whole Kathmandu Valley in the long-period range of 1-10 s was generalized using the bedrock depth as a parameter. We applied this GMPE to the largest aftershock. Consequently, at each sedimentary station, the residuals of the predicted value by GMPE are smaller than those predicted by the existing GMPE, and the peaks of the observed response spectra are reproduced well.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
PISSN	0267-7261
NCID	AA1053934X
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1016/j.soildyn.2020.106208