Japan Geoscience Union Meeting 2025

Ryosuke Oyanagi

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Speaker, Author, Co-Author

Tue. May 27, 2025 3:30 PM - 5:00 PM 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

5:15 PM - 7:15 PM

[SCG45-P12] The time-dependent contrasting slip behavior induced by H2O-CO2 fluid within slab-mantle interface and implication to slow earthquakes at shallow mantle wedge

*Shunya Okino1, Atsushi Okamoto1, Ryosuke Oyanagi3,4, Yukiko Kita2, Sando Sawa2, Jun Muto2 (1.Graduate School of Environmental Studies, Tohoku University, 2.Department of Earth Science, Graduate School of Science, Tohoku University, 3.School of Science and Engineering, Kokushikan University, 4.Research Institute for Marine Geodynamics, Japan Agency for Marine–Earth Science and Technology)

Fri. May 30, 2025 10:45 AM - 12:15 PM 105 (International Conference Hall, Makuhari Messe)

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

[S-CG54] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

11:15 AM - 11:30 AM

[SCG54-09] Contrasting evolution of the hydrogen generation between the lower crust gabbroic rocks and the mantle peridotite serpentinization

*Kazuki Yoshida1, Atsushi Okamoto2, Ryosuke Oyanagi3,4, Masakazu Fujii5,6, Kenta K. Yoshida4, Yasuhiro Niwa1,6, Yasuo Takeichi7, Masao Kimura1,6 (1.High Energy Accelerator Research Organization, 2.Tohoku University, 3.Kokushikan University, 4.Japan Agency for Marine-Earth Science and Technology, 5.National Institute of Polar Research, 6.The Graduate University for Advanced Studies, 7.Osaka University)

Fri. May 30, 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-CG54] New Insights of Fluid-Rock Interactions: From Surface to Deep Subduction Zone

5:15 PM - 7:15 PM

[SCG54-P13] Structural and geochemical analysis of a metasomatized tectonic mélange in the Nomo metamorphic rocks, western Kyusyu, Japan.

*Matsutake Koumi1, Ken-ichi Hirauchi2, Ryosuke Oyanagi3, Asuka Yamaguchi4 (1.Graduate School of integrated Science and Technology, Department of Science, Geoscience Course, Shizuoka University, 2.Department of Geosciences, Faculty of Science, Shizuoka University, 3.Kokushikan University, 4.Atmosphere and Ocean Research Institute, The University of Tokyo)

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

Tue. May 27, 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-CG57] Hybrid Geochronology from Date to Age

Sun. May 25, 2025 3:30 PM - 5:00 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

Wed. May 28, 2025 3:30 PM - 5:00 PM 103 (International Conference Hall, Makuhari Messe)

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

[S-CG61] Dynamics in mobile belts

Mon. May 26, 2025 3:30 PM - 5:00 PM 201A (International Conference Hall, Makuhari Messe)

  • [J] Oral
  • | M (Multidisciplinary and Interdisciplinary)
  • | M-IS Intersection

[M-IS17] New frontiers in geology