Japan Geoscience Union Meeting 2023

Yoshihiro Ito

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Convener, Chairperson

Wed. May 24, 2023 3:30 PM - 4:45 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), Yohei Hamada(Japan Agency for Marine-Earth Science and Technology Kochi Institute for Core Sample Research), Yihe Huang(University of Michigan Ann Arbor), Chairperson:Yoshihiro Ito(Disaster Prevention Research Institute, Kyoto University), Tomoaki Nishikawa(Disaster Prevention Research Institute, Kyoto University)

Speaker, Author, Co-Author

Mon. May 22, 2023 9:00 AM - 10:15 AM 106 (International Conference Hall, Makuhari Messe)

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

[S-SS04] Seismological advances in the ocean

9:00 AM - 9:15 AM

[SSS04-01] Heterogeneous seismic structure at Hyuga-nada from receiver-side Green's functions

★Invited Papers

*Yasunori Sawaki1, Yusuke Yamashita2, Shukei Ohyanagi1, Emmanuel Soliman M Garcia2, Aki Ito3, Hiroko Sugioka4, Tsutomu Takahashi3, Masanao Shinohara5, Yoshihiro Ito2 (1.Graduate School of Science, Kyoto University , 2.Disaster Prevention Research Institute, Kyoto University, 3.Japan Agency for Marine-Earth Science and Technology, 4.Graduate School of Science, Kobe University , 5.Earthquake Research Institute, The University of Tokyo)

Tue. May 23, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (11) (Online Poster)

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

[S-SS04] Seismological advances in the ocean

10:45 AM - 12:15 PM

[SSS04-P03] Search for Diffusive Properties in Earthquake Late Coda Recorded by Ocean Bottom Seismometers (OBSs) at Off Fukushima: Implications for H/V Spectral Ratio

*Atikul Haque Farazi1,2, Yoshihiro Ito3, José Piña-Flores4, Emmanuel Soliman M GARCIA3, Shukei Ohyanagi1 (1.Division of Earth and Planetary Sciences, Kyoto University, Japan, 2.Department of Geology and Mining, University of Barishal, Bangladesh, 3.Disaster Prevention research Institute, Kyoto University, Japan, 4.Facultad de Ingeniería, Universidad Nacional Autónoma de México, Mexico)

Tue. May 23, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (14) (Online Poster)

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

[S-SS12] Frontiers of Marine Observation for Earthquake, Tsunami and Crustal Deformation

10:45 AM - 12:15 PM

[SSS12-P11] Detailed P-wave velocity structure of the sedimentary layers and uppermost crust off Sanriku using DAS, OBS and controlled seismic sources.

*Shun Fukushima1,2, Masanao Shinohara2, Kimihiro Mochizuki2, Tomoaki Yamada2, Ryota Hino3, Ryosuke Azuma4, Yoshihiro Ito5, Yusuke Yamashita5 (1.University of Tokyo,Graduate school of Science, Department of Earth and Planetary Science, 2.Earthquake Research Institute,The University of Tokyo, 3. Graduate School of Science, Tohoku University, 4.Research Center for Prediction of Earthquake and Volcanic Eruption, Graduate School of Science, Tohoku UniversityEarthquake and Volcanic Eruption, Graduate School of Science, Tohoku University, 5.Disaster Prevention Research Institute, Kyoto University)

Wed. May 24, 2023 3:30 PM - 4:45 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

Fri. May 26, 2023 10:45 AM - 12:15 PM Online Poster Zoom Room (16) (Online Poster)

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

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

Tue. May 23, 2023 1:45 PM - 3:15 PM Online Poster Zoom Room (4) (Online Poster)

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

[S-CG46] Shallow and intermediate depth intraslab earthquakes: seismogenesis and rheology of the slab

1:45 PM - 3:15 PM

[SCG46-P03] Stress accumulation in viscoelastic splay fault and subducting oceanic crust: its effect to intraslab earthquakes

*Tomoya Muramoto1,2, Yoshihiro Ito1, Ayumu Miyakawa3, Noriyuki Furuichi2 (1.Research Center for Earthquake Hazards, Disaster Prevention Research Institute, Kyoto University, 2.National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), 3.Geological Survey of Japan (GSJ), National Institute of Advanced Industrial Science and Technology (AIST))