The 2026 SSJ Fall Meeting
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Poster session (Nov 5)Regular session : S16. Subsurface structure and its effect on ground motion

[P16]Subsurface structure and its effect on ground motion

Thu. Nov 5, 2026 5:15 PM - 6:45 PM JST
Thu. Nov 5, 2026 8:15 AM - 9:45 AM UTC
Room P16 (802ー805) (8F)

[P16-01]Modeling of the Subsurface Structure from the Seismic Bedrock to the Ground Surface for a Strong Motion Evaluation in Kumamoto Prefecture

*Shigeki SENNA1, Atsushi Yatagai2, Takeshi Nishimura2, Hisanori Matsuyama2 (1. NIED, 2. OYO Corp)

[P16-02]DAS Observation Along the Midorikawa-river in Kumamoto Prefecture: Subsurface Structural Differences Across the Hinagu Fault

*Kentaro EMOTO1, Satoshi Matsumoto1, Satoru Baba1, Ryota Takagi2, Kohei Yonemori1, Yushi Nagayama1, Serika Mishima1 (1. Kyushu University, 2. Tohoku University)

[P16-03]Estimating Shallow Structure in Southern Kyoto Prefecture Using DAS Observation Records

*Hidetaka Fujii1, Masatoshi Miyazawa2, Koichi Hayashi2, Tomoaki Nishikawa2, Airi Nagaoka2, Taisuke Murata3, Genta Nakano2 (1. Kyoto University, 2. Disaster Prevention Research Institute, Kyoto University, 3. Nara National Research Institute for Cultural Properties)

[P16-04]Broadband Surface-Wave Dispersion Estimation Using DAS with Different Gauge Lengths in Machino, Wajima, Japan

*Tokio Yamamoto1, Seiji Tsuno1, Masahiro Korenaga2, Hiroyuki Kosaka3, Towa Ono1, Kotomi Iwamoto1, Hiroki Motoyama4, Hiroaki Yamanaka1, Hiroe Miyake5 (1. Science Tokyo, 2. Railway Technical Research Institute, 3. Toda Corporation, 4. National Defense Academy of Japan, 5. The University of Tokyo)

[P16-05]Construction of the subsurface structure from the seismic bedrock to the ground surface for a strong motion evaluation in Osaka Prefecture

*Isamu Nishimura1, Shigeki Senna2, Atsushi Yatagai1, Yoshiaki Inagaki1, Hisanori Matsuyama1 (1. OYO Corporation, 2. National Research Institute for Earth Science and Disaster Resilience)

[P16-06]Construction of the subsurface structure from the seismic bedrock to the ground surface for a strong motion evaluation in Miyagi Prefecture

*Atsushi Yatagai1, Shigeki Senna2, isamu nishimura1, yoshiaki inagaki1, hisanori matuyama1 (1. OYO CORPORATION, 2. National Research Institute for Earth Science and Disaster Resilience)

[P16-07]Estimation of shallow and deep subsurface structures in the Hachinohe Plain, Aomori Prefecture, using microtremor surveys

*Takumi HAYASHIDA1, Hiroto Nakagawa1, Eri Ito1 (1. Building Research Institute)

[P16-08]Ground Motion Characteristics along a Cross-Section of the Mino Fault of the Median Tectonic Line Based on Dense Microtremor Observation

*Masato Tanei1, Tatsuya Noguchi1, Takao Kagawa1 (1. Tottori University)

[P16-09]Characteristics of strong ground motion and subsurface structure of the Ukawa District, Noto Town Based on Microtremor Observations

*Tatsuya NOGUCHI1, Takao Kagawa1 (1. Tottori University)

[P16-10]Microtremor exploration on Ikishima Island

*Nobuyuki Yamada1, Hiroshi Takenaka2 (1. Kochi Univ., 2. Okayama Univ.)

[P16-11]Microtremor array survey in the Matsuyama Plain

*Masayuki YOSHIMI1, Takeshi SUGIYAMA2 (1. Geological Survey of Japan, AIST, 2. N/A)

[P16-12]Estimation Accuracy of Phase Velocity Using Interval Estimation

*Kotoyo TSUCHIDA1, Kimiyuki ASANO2, Masanori HORIKE1, Koji YAMADA1 (1. HANSHIN CONSULTANTS Co., Ltd., 2. Kyoto University)

[P16-13]Statistical Evaluation of the Performance of a Microtremor Survey Method: The Maximum Survey Depth by a Miniature Array at a Soft-Soil Site

*Ikuo CHO1, Shigeki SENNA2, Junko KOMATSUBARA1, Tsutomu NAKAZAWA1 (1. Geological Survey of Japan, AIST, 2. National Research Institute for Earth Science and Disaster Resilience)

[P16-14]Detection of a Concealed Fault at Fault Displacement Meter Site D2, Ioto Island, Ogasawara, Using Microtremor H/V Spectral Ratios

*Takumi MURAKOSHI1, Rin Tanaka2, Kogaku Kitayama1, Ryusei Kanzaki3 (1. National Defense Academy of Japan, 2. Japan Ground Self-Defense Force, 3. Japan Maritime Self-Defense Force)

[P16-15]An attempt to Estimate the Subsurface Structure by Considering Clustering Based on the Shape of the H/V Spectrum Ratio of Ground Motion

*Kazuhito HIKIMA1, Tomiichi UETAKE1 (1. Tokyo Electric Power Company Holdings, Inc. Tepco Research Institute)

[P16-16]Evaluation of Submarine S-Wave Velocity Models via Theoretical and Observed H/V Spectral Ratios off Kumano, Nankai Trough

*Kohju Nagaoka1, Yoshihiro Ito2, Agostiny Marrios Lontsi3 (1. Graduate School of Science Kyoto University, 2. Disaster Prevention Research Institute, Kyoto University, 3. Faculty of Engineering and Technology, University of Buea)

[P16-17]Estimation of subseabed Vs-profile by integrated analysis of microtremors and MASW using linear array MEMS-based OBN

*Yasuhisa TANAKA1, Sangkyun LEE1, Shinji KAWASAKI1, Hirokazu ISHIGE1 (1. JGI)

[P16-18]Effects of three-dimensional attenuation structure on the ground motion

*Akio KATSUMATA1 (1. University of Toyama)

[P16-19]Relationship between high-frequency tremor and a large earthquake

*Fumitaka Inuyama1 (1. Kyushu Electric Power Co. Inc. (retired))
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