[U-09] The Future of Urban Engineering Geology

Fri. May 29, 2026 1:45 PM - 3:15 PM Exhibition Hall Special Setting (1) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Kitada Naoko(Geo-Research Institute), Takeshita Toru(Adviser, Land Infrastructure Division, Pacific Consultants Co., Ltd.)

Urban areas concentrate populations, infrastructure, and economic activities, making them increasingly vulnerable to various natural hazards such as earthquakes, heavy rainfall, and land subsidence. The importance of integrated disaster risk management based on urban engineering geology has therefore become greater than ever. This session aims to share the latest developments in the investigation, evaluation, and monitoring of urban subsurface geology and their applications to disaster prevention and risk management. We invite contributions that promote interdisciplinary collaboration among geology, geotechnical engineering, geophysics, disaster science, urban planning, and data science toward achieving sustainable and resilient cities. The session will also explore emerging approaches, such as digital-twin-based hazard assessment, integrated geodata management, and adaptation strategies for ground-related disasters under climate change. Through discussions among academia, government, industry, and communities, we seek to redefine the role of urban engineering geology and envision a safer and more sustainable society.

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1:45 PM - 2:00 PM

[U09-01] On the geohazards in Uchinada Town triggered by the 2024 Noto Peninsula Earthquake

*Gonghui Wang¹, Gen Furuya², Koichi Hayashi¹, Issei Doi¹, Makoto Matsuzawa¹, Jiajin Zhao³, Jiangkun He³, Kongming Yan⁴ (1. Disaster Prevention Research Institute, Kyoto University, 2. Toyama Prefectural University, 3. Graduate School of Science, Kyoto University, 4. University of Cambridge)

2:00 PM - 2:15 PM

[U09-02] Micro–Macro Mechanisms of Waveform-Dependent Sand Liquefaction Based on DEM Simulations

*Jiajin ZHAO¹, Gonghui WANG², Zhehao ZHU³ (1. Graduate School of Science, Kyoto University, 2. Disaster Prevention Research Institute, Kyoto University, 3. School of Civil Engineering, Shanghai Normal University)

2:15 PM - 2:30 PM

[U09-03] Mechanism of Landfill Movement During Earthquakes, Estimated from Vibration Characteristics and Topographical Features in Nishinomiya City, Hyogo Prefecture

*Ryosei Oishi¹, Issei Doi² (1. Graduate School of Science, Kyoto University, 2. Disaster Prevention Research Institute, Kyoto University)

2:30 PM - 2:45 PM

[U09-04] UAV-Assisted Electromagnetic Look-Ahead Sensing to Support Risk-Aware Horizontal Directional Drilling in Urban Environments

Yawei Su¹, Shubin Zeng², *Yueqin Huang¹, Xuqing Wu¹, Jiefu Chen¹ (1. University of Houston, 2. Cyentech Consulting LLC)

2:45 PM - 3:00 PM

[U09-05] Facies stacking patterns and ground motion characteristics of incised-valley fills beneath uplands in the Tokyo metropolitan area

*Tsutomu Nakazawa¹, Ikuo Cho¹, Susumu Nonogaki¹ (1. Geological Survey of Japan, AIST)

3:00 PM - 3:15 PM

[U09-06] Estimating 3D shallow S-wave velocity models from geophysical data based on machine learning in urban areas

*Koichi Hayashi¹, Toru Suzuki², Tomio Inazaki³, Chisato Konishi⁴, Haruhiko Suzuki⁴, Hisanori Matsuyama⁴ (1. Kyoto University, Disaster Prevention Research Institute, 2. Mony Exploration Corporation, 3. Non-affiliated, 4. OYO Corporation)

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