Japan Geoscience Union Meeting 2024

Hanaya Okuda

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Convener, Chairperson

Sun. May 26, 2024 1:45 PM - 3:00 PM 303 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-SS Seismology

[S-SS05] Fault Rheology and Earthquake Physics

convener:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Yumi Urata(National Institute of Advanced Industrial Science and Technology), Ryo Okuwaki(University of Tsukuba), Michiyo Sawai(Chiba University), Chairperson:Ryo Okuwaki(University of Tsukuba), Yumi Urata(National Institute of Advanced Industrial Science and Technology)

Sun. May 26, 2024 3:30 PM - 4:45 PM 303 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-SS Seismology

[S-SS05] Fault Rheology and Earthquake Physics

convener:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Yumi Urata(National Institute of Advanced Industrial Science and Technology), Ryo Okuwaki(University of Tsukuba), Michiyo Sawai(Chiba University), Chairperson:Yumi Urata(National Institute of Advanced Industrial Science and Technology), Ryo Okuwaki(University of Tsukuba)

Mon. May 27, 2024 9:00 AM - 10:15 AM 303 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-SS Seismology

[S-SS05] Fault Rheology and Earthquake Physics

convener:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Yumi Urata(National Institute of Advanced Industrial Science and Technology), Ryo Okuwaki(University of Tsukuba), Michiyo Sawai(Chiba University), Chairperson:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Michiyo Sawai(Chiba University)

Mon. May 27, 2024 10:45 AM - 12:00 PM 303 (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | S (Solid Earth Sciences )
  • | S-SS Seismology

[S-SS05] Fault Rheology and Earthquake Physics

convener:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Yumi Urata(National Institute of Advanced Industrial Science and Technology), Ryo Okuwaki(University of Tsukuba), Michiyo Sawai(Chiba University), Chairperson:Michiyo Sawai(Chiba University), Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

  • [J] Poster
  • | S (Solid Earth Sciences )
  • | S-SS Seismology

[S-SS05] Fault Rheology and Earthquake Physics

convener:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Yumi Urata(National Institute of Advanced Industrial Science and Technology), Ryo Okuwaki(University of Tsukuba), Michiyo Sawai(Chiba University)

Tue. May 28, 2024 1:45 PM - 3:00 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

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

[S-CG40] Science of slow-to-fast earthquakes

convener:Aitaro Kato(Earthquake Research Institute, the University of Tokyo), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology), Akemi Noda(Meteorological Research Institute, Japan Meteorological Agency), Chairperson:Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology), Hiroyuki Noda(Kyoto University, Disaster Prevention Research Institute)

Mon. May 27, 2024 3:30 PM - 4:30 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG44] Rheology, fracture and friction in Earth and planetary sciences

convener:Osamu Kuwano(Japan Agency for Marine-Earth Science and Technology), Ichiko Shimizu(Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University), Miki Tasaka(Shizuoka University), Shintaro Azuma(Department of Earth and Planetary Sciences, School of Science, Tokyo Institute of Technology), Chairperson:Ichiko Shimizu(Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University), Hanaya Okuda(Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology)

Speaker, Author, Co-Author

Mon. May 27, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

  • [J] Poster
  • | S (Solid Earth Sciences )
  • | S-SS Seismology

[S-SS05] Fault Rheology and Earthquake Physics

Tue. May 28, 2024 10:45 AM - 12:00 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

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

[S-CG40] Science of slow-to-fast earthquakes

10:45 AM - 11:00 AM

[SCG40-06] Toward a comprehensive understanding of shallow slow earthquakes: a review of key studies along the Nankai Trough and future perspectives

★Invited Papers

*Shunsuke Takemura1, Yohei Hamada2, Hanaya Okuda2, Yutaro Okada3, Kurama Okubo4, Takeshi Akuhara1, Akemi Noda5, Takashi Tonegawa2 (1.Earthquake Research Institute, the University of Tokyo, 2.Japan Agency for Marine-Earth Science and Technology, 3.Kyoto University, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Meteorological Research Institute)

Tue. May 28, 2024 3:30 PM - 4:45 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

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

[S-CG40] Science of slow-to-fast earthquakes

3:30 PM - 3:45 PM

[SCG40-16] Multiscale crack distribution in subsuction zone and its implication for scale dependence of seismic velocity

★Invited Papers

*Yuya Akamatsu1, Hanaya Okuda2, Manami Kitamura3, Michiyo Sawai4 (1.Volcanoes and Earth's Interior Research Center, Japan Agency for Marine-Earth Science and Technology, 2.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4.Department of Earth Sciences, Chiba University)

Tue. May 28, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

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

[S-CG40] Science of slow-to-fast earthquakes

5:15 PM - 6:45 PM

[SCG40-P30] Abrupt host rock fragmentation induced by fluid phase transition during fault slip and its impact on earthquake energy partitioning

*Hanaya Okuda1, Wataru Tanikawa1, Yohei Hamada1, Keishi Okazaki2,1, John D Bedford3, Takehiro Hirose1 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Earth and Planetary Systems Science Program, Hiroshima University, 3.Department of Earth, Ocean and Ecological Sciences, University of Liverpool)

Mon. May 27, 2024 1:45 PM - 3:15 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG44] Rheology, fracture and friction in Earth and planetary sciences

Tue. May 28, 2024 10:45 AM - 12:00 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG46] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

10:45 AM - 11:00 AM

[SCG46-01] Albitization due to interaction between seafloor basalt and fluid increases the potential of megathrust earthquakes in subduction zones

★Invited Papers

*Hanaya Okuda1, André R. Niemeijer2, Miki Takahashi3, Asuka Yamaguchi4, Christopher J. Spiers2 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Department of Earth Sciences, Utrecht University, 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4.Atmosphere and Ocean Research Institute, University of Tokyo)

Wed. May 29, 2024 1:45 PM - 3:00 PM 302 (International Conference Hall, Makuhari Messe)

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

[S-CG48] Ocean Floor Geoscience

2:15 PM - 2:30 PM

[SCG48-13] Submersible survey along the Shionomisaki submarine canyon in the Nankai Trough: Preliminary results of R/V Yokosuka YK23-10S cruis

*Asuka Yamaguchi1, Rina Fukuchi2, Yohei Hamada2, Hiroaki Koge4, Kiichiro Kawamura5, Akira Ijiri6, Hanaya Okuda3, Mari Hamahashi5, Konosuke TERUI1, Takahiro Hosokawa7, Kanji Tatsumi6, Juichiro Ashi1, Takafumi Kasaya3, Masataka Kinoshita1, Koji Kameo8, Yoshimi Kubota9, Takeshi Tsuji1, Kazuya Shiraishi3, Gaku Kimura3 (1.The University of Tokyo, 2.Naruto University of Education, 3.JAMSTEC, 4.GSJ, AIST, 5.Yamaguchi University, 6.Kobe University, 7.Kochi University, 8.Chiba University, 9.National Museum of Nature and Science)

Tue. May 28, 2024 5:15 PM - 6:45 PM Poster Hall (Exhibition Hall 6, Makuhari Messe)

  • [J] Poster
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-GI General Geosciences, Information Geosciences & Simulations

[M-GI31] Drilling Earth Science

5:15 PM - 6:45 PM

[MGI31-P01] On physical properties of sedimentary rocks in the Susaki area, Shimanto accretionary complex: possible nature of the hanging wall of décollement in the seimogenic zone

*Hanaya Okuda1, Yuya Akamatsu2, Manami Kitamura3, Yoshitaka Nakano4, Michiyo Sawai4 (1.Kochi Institute for Core Sample Research, Japan Agency for Marine-Earth Science and Technology, 2.Research Institute for Marine Geodynamics, Japan Agency for Marine-Earth Science and Technology, 3.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 4.Department of Earth Sciences, Chiba University)