JpGU-AGU Joint Meeting 2026

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[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG55] Oceanic plate as inputs to subduction zone and the subduction initiation

Thu. May 28, 2026 9:00 AM - 10:30 AM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

Chairperson:Ishizuka Osamu(Geological Survey of Japan, AIST), Akamatsu Yuya(Japan Agency for Marine-Earth Science and Technology), Zhang Jin(Texas A&M University College Station)

9:30 AM - 9:45 AM

[SCG55-03] Ridge collision sculpts forearc segmentation: 3D seismic view from the eastern Nankai Trough

*Gaku Kimura1, Kazuya Shiraishi1, Yasuyuki Nakamura1, Gou Fujie1, Paul Caesar. M. Flores1 (1. Japan Agency for Marine-Earth Science and Technology)

Keywords:Paleo-Zenisu Ridge, Large earthquake, subduction zone, Tonankai-Tokai segmentation, ridge collision, Nankai Trough