Thu. May 29, 2025 9:00 AM - 10:30 AM 201A (International Conference Hall, Makuhari Messe)

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

[S-SS04] Seismological advances in the ocean

convener:Ayumu Mizutani(International Research Institute of Disaster Science, Tohoku University), Takashi Tonegawa(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology), Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Chairperson:Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Ayumu Mizutani(International Research Institute of Disaster Science, Tohoku University)

Thu. May 29, 2025 10:45 AM - 12:15 PM 201A (International Conference Hall, Makuhari Messe)

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

[S-SS04] Seismological advances in the ocean

convener:Ayumu Mizutani(International Research Institute of Disaster Science, Tohoku University), Takashi Tonegawa(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology), Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Chairperson:Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Takashi Tonegawa(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology)

Thu. May 29, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

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

[S-SS04] Seismological advances in the ocean

convener:Ayumu Mizutani(International Research Institute of Disaster Science, Tohoku University), Takashi Tonegawa(Research and Development center for Earthquake and Tsunami, Japan Agency for Marine-Earth Science and Technology), Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience)

Mon. May 26, 2025 9:00 AM - 10:30 AM 105 (International Conference Hall, Makuhari Messe)

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

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

convener:Shuichi Kodaira(Japan Agency for Marine-Earth Science and Technology), Kohtaro Ujiie(Faculty of Life and Environmental Sciences, University of Tsukuba), Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Ryota Hino(Graduate School of Science, Tohoku University), Chairperson:Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Ryota Hino(Graduate School of Science, Tohoku University)

Mon. May 26, 2025 10:45 AM - 12:15 PM 105 (International Conference Hall, Makuhari Messe)

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

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

convener:Shuichi Kodaira(Japan Agency for Marine-Earth Science and Technology), Kohtaro Ujiie(Faculty of Life and Environmental Sciences, University of Tsukuba), Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Ryota Hino(Graduate School of Science, Tohoku University), Chairperson:Shuichi Kodaira(Japan Agency for Marine-Earth Science and Technology), Kohtaro Ujiie(Faculty of Life and Environmental Sciences, University of Tsukuba)

Mon. May 26, 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-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

convener:Shuichi Kodaira(Japan Agency for Marine-Earth Science and Technology), Kohtaro Ujiie(Faculty of Life and Environmental Sciences, University of Tsukuba), Tatsuya Kubota(National Research Institute for Earth Science and Disaster Resilience), Ryota Hino(Graduate School of Science, Tohoku University)

Thu. May 29, 2025 10:45 AM - 12:15 PM 201A (International Conference Hall, Makuhari Messe)

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

[S-SS04] Seismological advances in the ocean

11:45 AM - 12:00 PM

[SSS04-11] Quantifying interplate seismic coupling from fault modeling of the 2024 Hyuganada earthquake using tsunami and GNSS data

*Tatsuya Kubota¹, Hisahiko Kubo¹, Tatsuhiko Saito¹ (1.National Research Institute for Earth Science and Disaster Resilience)

Tue. May 27, 2025 9:00 AM - 10:30 AM 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

9:15 AM - 9:30 AM

[SCG45-14] Spatiotemporal Evolution of Aseismic Slip Preceding the 2011 Tohoku-Oki Earthquake by Reprocessed OBPR Data

Hirata Kyosuke¹, *Ryota Hino¹, Taisuke Yamada¹, Kosuke Minamoto¹, Hideto Otsuka¹, Yusaku Ohta¹, Tatsuya Kubota² (1.Graduate School of Science, Tohoku University, 2.National Research Institute for Earth Science and Disaster Resilience)

Wed. May 28, 2025 10:45 AM - 12:15 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

10:45 AM - 11:00 AM

[SCG45-43] A year continued sluggish slip at the Izu-Bonin Trench triggered by a great deep shock

*Yoshio Fukao¹, Tatsuya KUBOTA², Hiroko Sugioka³, Ryo Furue¹ (1.Japan Agency for Marine-Earth Science & Technology, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Kobe University)

Mon. May 26, 2025 10:45 AM - 12:15 PM 105 (International Conference Hall, Makuhari Messe)

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

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

11:45 AM - 12:00 PM

[SCG46-11] Uncovering rupture mechanics and tsunami generation of the Tohoku-Oki earthquake using in-situ seafloor pressure gauges

*Tatsuya Kubota¹, Tatsuhiko Saito¹, Ryota Hino² (1.National Research Institute for Earth Science and Disaster Resilience, 2.Graduate School of Science, Tohoku University)

12:00 PM - 12:15 PM

[SCG46-12] Uncovering mechanism of massive shallow coseismic slip without significant stress drop in 2011

*Ryota Hino¹, Koichiro Obana², Takeshi Iinuma², Tatsuya Kubota³ (1.Graduate School of Science, Tohoku University, 2.JAMSTEC, 3.National Research Institute for Earth Science and Disaster Resilience)

Tatsuya Kubota

Convener, Chairperson

[S-SS04] Seismological advances in the ocean

[S-SS04] Seismological advances in the ocean

[S-SS04] Seismological advances in the ocean

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

Speaker, Author, Co-Author

[S-SS04] Seismological advances in the ocean

[SSS04-11] Quantifying interplate seismic coupling from fault modeling of the 2024 Hyuganada earthquake using tsunami and GNSS data

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

[SCG45-14] Spatiotemporal Evolution of Aseismic Slip Preceding the 2011 Tohoku-Oki Earthquake by Reprocessed OBPR Data

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

[SCG45-43] A year continued sluggish slip at the Izu-Bonin Trench triggered by a great deep shock

[S-CG46] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

[SCG46-11] Uncovering rupture mechanics and tsunami generation of the Tohoku-Oki earthquake using in-situ seafloor pressure gauges

[SCG46-12] Uncovering mechanism of massive shallow coseismic slip without significant stress drop in 2011