Zobrazeno 1 - 10 of 120 pro vyhledávání: '"Atsushi Nozu"'
1
Akademický článek
The region of large site amplification in Northern Hokkaido, Japan, extends to the eastern Soya Region
Autor: Atsushi Nozu
Publikováno v: Earth, Planets and Space, Vol 75, Iss 1, Pp 1-11 (2023)
Abstract In the document titled “predominant period of long-period ground motions and the natural period of deep subsoil” by the Central Disaster Management Council, the west part of Northern Hokkaido facing the Sea of Japan is categorized as a r
Externí odkaz: https://doaj.org/article/6bbadb2ea2334602865664050aed3120
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2
Akademický článek
Use of Fourier phase characteristics and effective stress analyses for post-earthquake ground motion estimation: application to ESG6 blind prediction steps 2&3 dataset and JMA accelerometric data
Autor: Atsushi Nozu
Publikováno v: Earth, Planets and Space, Vol 75, Iss 1, Pp 1-22 (2023)
Abstract After the occurrence of a large earthquake, engineering seismologists are often requested to estimate strong ground motions at a site where strong motion data were not obtained. The goal of this study was to test the ability of a class of me
Externí odkaz: https://doaj.org/article/ac8284e524724bfca69680b9741f5784
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3
Stabilization of the S-to-P Energy Ratio of a Diffuse Wavefield from Reflections at Free Surfaces
Autor: Yosuke Nagasaka, Atsushi Nozu
Publikováno v: Bulletin of the Seismological Society of America. 112:1191-1196
Seismic interferometry relates the Green’s function between two observation sites to the cross correlation of recordings at these sites. In the formulation of seismic interferometry to retrieve the exact Green’s function, an assumption that the e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e40d9f23b979e49de6158c6a155a8f1b
https://doi.org/10.1785/0120210283
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4
Simulation of Pulse-Like Ground Motions during the 2015 Mw 8.3 Illapel Earthquake with a New Source Model Using Corrected Empirical Green’s Functions
Autor: Jorge G. F. Crempien, Atsushi Nozu, Juan Carlos de la Llera, Claudio Fernández
Publikováno v: Seismological Research Letters. 93:76-90
Pulse-like near-source ground motions were observed by the local network during the 2015 Mw 8.3 Illapel, Chile earthquake. Such ground motions can be quite damaging to a wide range of infrastructures. The primary objective of this study is to provide
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1d41bc7e7dcd6ff439216604d673d935
https://doi.org/10.1785/0220200446
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5
Use of Fourier Phase Characteristics and Effective Stress Analyses: A Result for the ESG6 Blind Prediction Steps 2&3
Autor: Atsushi Nozu
This article describes the methods employed by the author and the results for the ESG6 Blind Prediction Steps 2&3. The target event for Step 2 was an M5.9 earthquake in the Aso region, Japan. To simulate ground motions at the target site “KUMA”,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::14fc52954c15186ffec07e5a4104a30c
https://doi.org/10.21203/rs.3.rs-2122690/v1
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7
Rupture Process of the Mainshock of the 2019 Ridgecrest Earthquake Sequence from Waveform Inversion with Empirical Green’s Functions
Autor: Shuang‐Lan Wu, Yosuke Nagasaka, Atsushi Nozu
Publikováno v: Bulletin of the Seismological Society of America. 111:1014-1031
The 2019 Mw 7.1 mainshock of the Ridgecrest earthquake sequence, which was the first event exceeding Mw 7.0 in California since the 1999 Hector Mine earthquake, caused near-fault ground motions exceeding 0.5g and 70 cm/s. In this study, the rupture p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3afd0fdf22a500c388933093018bce5
https://doi.org/10.1785/0120200266
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8
Accuracy of Near-Fault Fling-Step Displacements Estimated Using the Discrete Wavenumber Method
Autor: Yosuke Nagasaka, Shuang‐Lan Wu, Atsushi Nozu
Publikováno v: Bulletin of the Seismological Society of America. 111:309-320
Near-fault fling steps might cause severe damage to near-fault structures such as bridges or base-isolated buildings. Therefore, the accurate simulation of ground displacements including fling steps based on fault models is an important issue not onl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1661f7c7cf3a30d29244d87920a28bd8
https://doi.org/10.1785/0120190257
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