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Proceedings Papers

Quantitative comparison of active and passive surface wave data obtained from distributed acoustic sensing (DAS) and three-component geophones

Koichi Hayashi, Hayato Nonaka, Peter Hubbard, Yasuhiro Yokota, Kensuke Date, Kazuhiko Masumoto, Taka’aki Taira, Kenichi Soga
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3738106
DOI: https://doi.org/10.1190/image2022-3738106.1
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View Paper titled, Quantitative comparison of active and passive surface wave data obtained from distributed acoustic sensing (DAS) and three-component geophones
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Proceedings Papers

Three-dimensional S-wave velocity model of the East San Francisco Bay Area obtained from three-component microtremor measurements and microtremor array measurements

Koichi Hayashi, Mitchell Craig
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583593
DOI: https://doi.org/10.1190/segam2021-3583593.1
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View Paper titled, Three-dimensional S-wave velocity model of the East San Francisco Bay Area obtained from three-component microtremor measurements and microtremor array measurements
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Proceedings Papers

Three-dimensional deep S-wave velocity model of the South San Francisco Bay Area obtained from three-component microtremor measurements and microtremor array measurements

Koichi Hayashi, Stefan Burns
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426922
DOI: https://doi.org/10.1190/segam2020-3426922.1
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View Paper titled, Three-dimensional deep S-wave velocity model of the South San Francisco Bay Area obtained from three-component microtremor measurements and microtremor array measurements
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Proceedings Papers

Active fault investigation by 3D ambient noise tomography in Hebei province, China

Shunjia Tan, Koichi Hayashi, Bin He, Daxiang Cheng
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215374
DOI: https://doi.org/10.1190/segam2019-3215374.1
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View Paper titled, Active fault investigation by 3D ambient noise tomography in Hebei province, China
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Proceedings Papers

Retrieving Love wave dispersion curves from 3C ambient noise data using spatial autocorrelation (SPAC) method

Koichi Hayashi, Recep Cakir
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215656
DOI: https://doi.org/10.1190/segam2019-3215656.1
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View Paper titled, Retrieving Love wave dispersion curves from 3C ambient noise data using spatial autocorrelation (SPAC) method
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Proceedings Papers

S-wave velocity measurements in the Sacramento-San Joaquin Delta using active and passive surface wave methods

Mitchell Craig, Niket Kundariya, Maximilian Burnham, Koichi Hayashi
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998566
DOI: https://doi.org/10.1190/segam2018-2998566.1
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View Paper titled, S-wave velocity measurements in the Sacramento-San Joaquin Delta using active and passive surface wave methods
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Proceedings Papers

Surface wave method on the seafloor as an effective geotechnical investigation method

Chisato Konishi, Koichi Hayashi, Tomokazu Yanagibashi, Ayato Tsutsumi, Takahiro Kumagai, Kazuhiko Ueno
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2987110
DOI: https://doi.org/10.1190/segam2018-2987110.1
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View Paper titled, Surface wave method on the seafloor as an effective geotechnical investigation method
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Proceedings Papers

Development and application of 2D/3D ambient noise tomography for near-surface S-wave velocity delineation

Koichi Hayashi, Chisato Konishi, Haruhiko Suzuki, Ying Liu, Michitaka Tahara, Kent Falkenstein, Mitchell Craig, Leong Toh Wong
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996064
DOI: https://doi.org/10.1190/segam2018-2996064.1
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View Paper titled, Development and application of 2D/3D ambient noise tomography for near-surface S-wave velocity delineation
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Proceedings Papers

Application of active and passive surface-wave methods to shallow to deep S-wave velocity estimation

Koichi Hayashi
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17410062
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View Paper titled, Application of active and passive surface-wave methods to shallow to deep S-wave velocity estimation
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Proceedings Papers

Comparison of dispersion curves and velocity models obtained by active and passive surface wave methods

Koichi Hayashi
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13846390
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View Paper titled, Comparison of dispersion curves and velocity models obtained by active and passive surface wave methods
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Proceedings Papers

CMP Spatial Autocorrelation Analysis of Multichannel Passive Surface-Wave Data

Koichi Hayashi, Mitchell Craig, Takaho Kita, Tomio Inazaki
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5913708
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View Paper titled, CMP Spatial Autocorrelation Analysis of Multichannel Passive Surface-Wave Data
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Proceedings Papers

Detailed S-Wave Velocity Model and Site Response of the Hayward, East San Francisco Bay Area

Koichi Hayashi, Mitchell Craig
Paper presented at the 2014 SEG Annual Meeting, October 26–31, 2014
Paper Number: SEG-2014-0385
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View Paper titled, Detailed S-Wave Velocity Model and Site Response of the Hayward, East San Francisco Bay Area
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Proceedings Papers

Statistical Estimation of Geotechnical Soil Parameters in Terms of Cross-Plots of S-Wave Velocity and Resistivity in Japanese Levees

Koichi Hayashi, Tomio Inazaki, Kaoru Kitao, Takaho Kita
Paper presented at the 2013 SEG Annual Meeting, September 22–27, 2013
Paper Number: SEG-2013-0642
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View Paper titled, Statistical Estimation of Geotechnical Soil Parameters in Terms of Cross-Plots of S-Wave Velocity and Resistivity in Japanese Levees
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Proceedings Papers

Joint Inversion of Three-component Microtremor Measurements And Microtremor Array Measurements At Mexico City

Koichi Hayashi, Atsushi Nozu, Masanori Tanaka, Haruhiko Suzuki, Efraín Ovando Shelley
Paper presented at the 2011 SEG Annual Meeting, September 18–23, 2011
Paper Number: SEG-2011-0917
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View Paper titled, Joint Inversion of Three-component Microtremor Measurements And Microtremor Array Measurements At Mexico City
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Proceedings Papers

Higher Modes of Surface Waves In Microtremor Analysis

Tatsunori Ikeda, Toshifumi Matsuoka, Takeshi Tsuji, Koichi Hayashi
Paper presented at the 2010 SEG Annual Meeting, October 17–22, 2010
Paper Number: SEG-2010-2034
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View Paper titled, Higher Modes of Surface Waves In Microtremor Analysis
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Proceedings Papers

Application of Surface-wave Method to the Evaluation of Local Site Effect of Earthquake

Koichi Hayashi, Tsutomu Hirade
Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1288
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View Paper titled, Application of Surface-wave Method to the Evaluation of Local Site Effect of Earthquake
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Proceedings Papers

Seismic Waves Propagating In Masonry Retaining Walls And Their Dispersion Characteristics

Koichi Hayashi, Jamts Altantsetseg, Masahito Tamura
Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1227
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View Paper titled, Seismic Waves Propagating In Masonry Retaining Walls And Their Dispersion Characteristics
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Proceedings Papers

The Effectiveness of the Combination of the CCR Survey And the Surface Wave Method For Levee Investigation

Chisato Konishi, Koichi Hayashi, Tomoyuki Abe, Toshihiko Tanaka, Douglas Groom
Paper presented at the 2007 SEG Annual Meeting, September 23–28, 2007
Paper Number: SEG-2007-1207
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View Paper titled, The Effectiveness of the Combination of the CCR Survey And the Surface Wave Method For Levee Investigation
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Proceedings Papers

Seismic Investigations In Residential Area Liquefied By Mid Niigata Prefecture Earthquake

Koichi Hayashi, Katsuaki Ando, Yoshiyuki Ito, Masahito Tamura, Neagu Cristian, Yasuaki Kikuchi
Paper presented at the 2006 SEG Annual Meeting, October 1–6, 2006
Paper Number: SEG-2006-1505
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View Paper titled, Seismic Investigations In Residential Area Liquefied By Mid Niigata Prefecture Earthquake
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Proceedings Papers

Buried Channel Delineation Using Microtremor Ar R Ay Measurements

Koichi Hayashi, Tomio Inazaki, Haruhiko Suzuki
Paper presented at the 2005 SEG Annual Meeting, November 6–11, 2005
Paper Number: SEG-2005-1137
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View Paper titled, Buried Channel Delineation Using Microtremor Ar R Ay Measurements
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