General Session

[General Session] A. Earthquake-related natural phenomena (ground motion, subsurface structure, subsurface site effects, tsunami, historical earthquakes, etc.) » A-2 Subsurface structure

Subsurface structure

Thu. Nov 23, 2023 2:00 PM - 3:30 PM G417 (PACIFICO Yokohama North, 4F)

Chairperson: Tatsuya Noguchi (Tottori University)

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2:00 PM - 2:12 PM

[Day1-G417-15] Validation of deep velocity structure model in the Kyoto and Nara basins using autocorrelation functions of strong motion waveform records

*Kimiyuki Asano¹, Haruko Sekiguchi¹, Tomotaka Iwata¹ (1. Disaster Prevention Research Institute, Kyoto University)

2:13 PM - 2:25 PM

[Day1-G417-16] Investigation for Estimation of Inclined Bedrock Using Autocorrelation Function of Strong-motion Records in the Eastern Yufutsu Plain

*Naofumi Nakagawa¹, Nobuo Takai¹, Michiko Shigefuji² (1. Hokkaido University, 2. Kyushu University)

2:26 PM - 2:38 PM

[Day1-G417-17] A STUDY ON THE ESTIMATION OF SURFACE WAVE CHARACTERISTICS USING SPATIAL DIFFERENTIATION AND DIRECT MEASUREMENT OF ROTATIONAL VELOCITY INFORMATION

*Kazuki Matsumoto³, Keisuke Kojima¹, Kento Mori³, Michihiro Ohori² (1. University of Fukui, 2. University of Shiga Prefecture, 3. G.S. of Engineering, Univ. of Fukui )

2:39 PM - 2:51 PM

[Day1-G417-18] Estimation of S-wave velocity structures in the western part of the Ebino Basin based on array observations of microtremors

*hikaru hara¹, Shu Tomizaki¹, Michiko Shigefuji¹, Tatsuo Kanno¹ (1. Kyushu University)

2:52 PM - 3:04 PM

[Day1-G417-19] Fundamental Study on Identification of Subsurface Structure Using Simultaneous Inverse Analysis of Earthquake Motion H/V Spectral Ratio and Microtremor H/V Spectral Ratio

*Hiroyuki Kosaka¹ (1. Toda Corporation)

3:05 PM - 3:17 PM

[Day1-G417-20] Study of 3D Subsurface Structure Modeling Method Using Boring Data and Microtremors Observations

*Tsutomu Ochiai¹, Takahisa Enomoto¹, Yoshiya Oda², Kazuya Mitsuji³, Shigeki Senna⁴ (1. Kanagawa university, 2. Tokyo Metoropolitan university, 3. Yamagata university, 4. NIED)

3:18 PM - 3:30 PM

[Day1-G417-21] Characteristics of Strong Ground Motion and Subsurface Structure near the Yoshioka Fault of the 1943 Tottori Earthquake, Japan

*Tatsuya Noguchi Noguchi¹, Isamu Nishimura², Takao Kagawa¹ (1. Tottori University, 2. OYO Corporation)

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