Japan Geoscience Union Meeting 2025

Ryota Takagi

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Convener, Chairperson

Mon. May 26, 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

convener:Aitaro Kato(Earthquake Research Institute, the University of Tokyo), Asuka Yamaguchi(Atomosphere and Ocean Research Institute, The University of Tokyo), Ryoko Nakata(Graduate School of Science, The University of Tokyo), Kurama Okubo(National Research Institute for Earth Science and Disaster Resilience), Chairperson:Ryoichiro Agata(Japan Agency for Marine-Earth Science and Technology), Ryota Takagi(Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University)

Speaker, Author, Co-Author

Mon. May 26, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

  • [J] Poster
  • | S (Solid Earth Sciences )
  • | S-GD Geodesy

[S-GD03] Crustal Deformation

Fri. May 30, 2025 10:45 AM - 12:15 PM 301A (International Conference Hall, Makuhari Messe)

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

[S-SS09] Seismic wave propagation: Theory and Application

Fri. May 30, 2025 1:45 PM - 3:15 PM Exhibition Hall Special Setting (3) (Exhibition Hall 7&8, Makuhari Messe)

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

[S-SS10] Fault Rheology and Earthquake Physics

2:00 PM - 2:15 PM

[SSS10-18] Detailed S-wave velocity structure in the onshore focal area of the 2024 Noto earthquake revealed by dense nodal seismic observations

*Ryota Takagi1, Keisuke Yoshida1, Tomomi Okada1, Shun Fukushima1, Masatoshi Miyazawa2, Takuto Maeda3, Shiro Hirano3, Motoko Ishise4, Takahiro Shiina5, Yoshihiro Hiramatsu6 (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.Disaster Prevention Research Institute, Kyoto University, 3.Graduate School of Science and Technology, Hirosaki University, 4.Faculty of Science, Yamagata University, 5.National Institute of Advanced Industrial Science and Technology, 6.School of Geosciences and Civil Engineering, Kanazawa University)

Mon. May 26, 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)

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

[S-CG61] Dynamics in mobile belts

5:15 PM - 7:15 PM

[SCG61-P01] Seismicity beneath Mutsu Bay, Aomori Prefecture, NE Japan, and shear wave splitting analysis on it

*Tomomi Okada1, Martha Savage2, Ryotaro Fujimura1, Harumi Uchida1, Ayaka Tagami3, Shu'utoku Kimura1, Ryota Takagi1, Sumire Maeda4, Takuto Maeda5, Shinako Noguchi6, Shintaro Abe6 (1.Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University, 2.Victoria University of Wellington, 3.Hokkaido University, 4.Advanced Institute for Science and Tecnology, 5.Hirosaki University, 6.Association for the Development of Earthquake Prediction)