<strong>Trench axial scapes: their bottom landscapes, benthic foraminiferal ecology and their relationship to big earthquake and tsunami events for understanding outer slope mass-movement proxies</strong>

Hiroshi Kitazato

Presentation information

[E] Oral

B (Biogeosciences ) » B-PT Paleontology

[B-PT03] Biomineralization, Geochemistry, and Environmental Studies

Wed. May 27, 2026 10:45 AM - 12:15 PM Exhibition Hall Special Setting (5) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Toyofuku Takashi(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Hirose Kotaro(Institute of Natural and Environmental Sciences, University of Hyogo), Heinz Petra(University of Vienna, Department of Palaeontology), de Nooijer Jan Lennart(Royal Netherlands Institute for Sea Research)

12:00 PM - 12:15 PM

[BPT03-12] Trench axial scapes: their bottom landscapes, benthic foraminiferal ecology and their relationship to big earthquake and tsunami events for understanding outer slope mass-movement proxies

*Hiroshi Kitazato¹, Andrew J Gooday², Alan J Jamieson³, Lena Maeda⁴, Natsumi Okutsu⁴, Nobuhisa Eguchi⁴, Sean Tokzko⁴, Michael Strassar⁵, Ken Ikehara⁶, IODP Exp 503 Shipboard Scientist Members⁷ (1. Tokyo University of Marine Science and Technology (TUMSAT), Tokyo, Japan, 2. National Oceanography Centre Southampton, UK, 3. University of Western Australia, Perth, AU, 4. JAMSTEC, Yokosuka, Japan, 5. University of Insbrueck, Insbrueck, Austria, 6. AIST, Tsukuba, Japan, 7. IODP3 Exp. 503 Shipboard Scientist Party)

Keywords:Trench axial landscapes, Landward and oceanward slopes, benthic foraminiferal networks, proxy for oceanward seismic activities