Japan Geoscience Union Meeting 2025

Takeshi Iinuma

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Convener, Chairperson

Tue. May 27, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology), Chairperson:Kazutaka Yasukawa(Frontier Research Center for Energy and Resources, School of Engineering, The University of Tokyo), Kazuhide Mimura(Geological survey of Japan, National Institute of Advanced Industrial Science and Technology)

Tue. May 27, 2025 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology), Chairperson:Kyoko Okino(Atmosphere and Ocean Research Institute, The University of Tokyo), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology)

Wed. May 28, 2025 9:00 AM - 10:30 AM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology), Chairperson:Kenichiro Tani(Department of Geology and Paleontology, National Museum of Nature and Science), Seitaro Ono(The National Institute of Advanced Industrial Science and Technology)

Wed. May 28, 2025 10:45 AM - 12:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology), Chairperson:Hiroshi Sato(School of Business Administration, Senshu University), Hikaru Sawada(University of Toyama)

Wed. May 28, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology), Chairperson:Ryota Hino(Graduate School of Science, Tohoku University), KanHsi Hsiung(Japan Agency for Marine-Earth Science and Technology)

Wed. May 28, 2025 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology), Chairperson:Yusuke Yokota(Institute of Industrial Science, The University of Tokyo), Fumiaki Tomita(International Research Institute of Disaster Science, Tohoku University)

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Poster
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

convener:Takeshi Iinuma(National Research and Development Agency Japan Agency for Marine-Earth Science and Technology), Masakazu Fujii(National Institute of Polar Research and SOKENDAI), Satoko Owari(Tokyo University of Marine Science and Technology), Yojiro Yamamoto(Japan Agency for Marine-Earth Science and Technology)

Speaker, Author, Co-Author

Tue. May 27, 2025 9:00 AM - 10:30 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

  • [E] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG45] Science of slow-to-fast earthquakes

Wed. May 28, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [E] Poster
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG45] Science of slow-to-fast earthquakes

Mon. May 26, 2025 10:45 AM - 12:15 PM 105 (International Conference Hall, Makuhari Messe)

  • [E] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

11:15 AM - 11:30 AM

[SCG46-09] Postseismic deformation of the 2011 Tohoku earthquake: Insights from GNSS, GNSS-A, and repeating earthquake observations

★Invited Papers

*Fumiaki Tomita1, Tianhaozhe Sun2,3, Takeshi Iinuma4, Motoyuki Kido1, Yusaku Ohta5, Naoki Uchida5,6, Kelin Wang2,3 (1.International Research Institute of Disaster Science, Tohoku University, 2.Pacific Geoscience Centre, Geological Survey of Canada, 3.School of Earth and Ocean Sciences, University of Victoria, 4.Japan Agency for Marine-Earth Science and Technology, 5.Graduate School of Science, Tohoku University, 6.Earthquake Research Institute, University of Tokyo)

Sun. May 25, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [E] Poster
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG52] Inter-segment Tectonics: Interdisciplinary Research on Responses to Plate Subduction

Wed. May 28, 2025 1:45 PM - 3:15 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-CG Complex & General

[S-CG55] Ocean Floor Geoscience

2:30 PM - 2:45 PM

[SCG55-27] Mechanism prohibiting earthquake growth

*Ryota Hino1, Naoki Uchida1,2, Masanao Shinohara2, Yoshihiro Ito3, Takeshi Iinuma4, Yasuyuki Nakamura4, Toshiya Kanamatsu4, Ken Ikehara5, Ryoko Nakata6 (1.Graduate School of Science, Tohoku University, 2.Earthquake Research Institute, The University of Tokyo, 3.Disaster Prevention Rearch Institute, Kyoto University, 4.Japan Agency for Marine-Earth Science and Technology, 5.The National Institute of Advanced Industrial Science and Technology, 6.School of Science, The University of Tokyo)

2:45 PM - 3:00 PM

[SCG55-28] Seafloor Crustal Deformation Observations Utilizing Unmanned Surface Vehicles at Plate Subduction zones around the Japanese Islands

*Takeshi Iinuma1, Motoyuki Kido2, Yusaku Ohta3, Tatsuya Fukuda1, Fumiaki Tomita2, Yusuke Yokota4, Ryota Hino3, Mikiko Fujita1, Takane Hori1 (1.Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 2.International Research Institute of Disaster Science, Tohoku University, 3.Graduate School of Science, Tohoku University, 4.Institute of Industrial Science, University of Tokyo)