The 132nd Annual Meeting of the Geological Society of Japan
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Session OralT8 ［Topic Session］Nuclear Energy and Geological Sciences

[2oral301-10]T8. Nuclear Energy and Geological Sciences

Mon. Sep 15, 2025 8:45 AM - 12:00 PM JST
Mon. Sep 15, 2025 11:45 PM - 3:00 AM UTC
oral room 3(E201)
Chiar:Shinji Takeuchi(Nihon Univ.), Hidekazu Yoshida(Nagoya Univ.), Koji Umeda
8:45 AM - 9:15 AM JST(11:45 PM - 12:15 AM UTC)

[T8-O-1][Invited] Current status and issues of geological disposal study focused on coastal areas

*REO IKAWA1 (1. Geological Survey of JAPAN, AIST)
9:15 AM - 9:30 AM JST(12:15 AM - 12:30 AM UTC)

[T8-O-2]Advancement of a probabilistic assessment method for long-term natural phenomena toward safety assessment of geological disposal

*Junichi GOTO1, Yusaku TAKUBO1, Hiromitsu SAEGUSA1, Hirohito INAKURA2, Hideki KAWAMURA3 (1. Nuclear Waster Management Organization of Japan, 2. West Japan Engineering Consultants Inc., 3. mcm japan)
9:30 AM - 9:45 AM JST(12:30 AM - 12:45 AM UTC)

[T8-O-3]Geological approaches to safety assessment of geological disposal considering changes in underground environmental conditions

*Makoto OTSUBO1 (1. Geological Survey of Japan)
9:45 AM - 10:00 AM JST(12:45 AM - 1:00 AM UTC)

[T8-O-4]Relationship between cooling process of granitic rock body and formation of pathway of mass transfer

*Eiji SASAO1, Takashi YUGUCHI2 (1. Japan Atomic Energy Agency, 2. Kumamoto University)
10:00 AM - 10:15 AM JST(1:00 AM - 1:15 AM UTC)

[T8-O-5]Study for development of 4D-SDMs incorporating long-term topographic and sea-level changes, and assessment of their impacts on deep groundwater flow and hydro-chemical fields

*Yuto TAKABAYASHI1, Hironori ONOE1, Yuumi TAKAHATA1, Kensho ABUMI2, Sakura OKUGI2, Shuji HASHIMOTO3, Shigeaki Matsuo4, Hiromitsu SAEGUSA1 (1. NUMO, 2. Obayashi Corporation, 3. EMG Inc., 4. Mitsubishi Materials Techno Corporation)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[2oral301-10-6add]Break

10:30 AM - 11:00 AM JST(1:30 AM - 2:00 AM UTC)

[T8-O-6][Invited] Current status of Research and Development at the Toki Geochronology Research Laboratory, Tono Geoscience Center, JAEA

*Tsuneari ISHIMARU1, Koichi ASAMORI1, Takahiro HANAMURO1, Makoto KAWAMURA1 (1. Japan Atomic Energy Agency)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[T8-O-7]Current status on development of dating techniques at the Toki Geochronological Research Laboratory, Tono Geoscience Center, JAEA

*Takahiro HANAMURO1 (1. Japan Atomic Energy Agency)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[T8-O-8]Methods for detecting magmas and high-temperature fluids

*Koichi ASAMORI1, Atsushi SAIGA1, Shoma FUKUDA1, Shigeru SUEOKA1, Koji UMEDA2 (1. Japan Atomic Energy Agency, 2. Hirosaki University)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[T8-O-9]Misfit angle calculation using spreadsheet software on observed and theoretical fault slip directions

*Koji SHIMADA1 (1. Japan Atomic Energy Agency)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[T8-O-10]Islands off the Cape Omaezaki possibly submerged by co-seismic faulting due to the 1854 Ansei Tokai earthquake

*Akira ISHIWATARI1 (1. None)
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