Tue. May 27, 2025 3:30 PM - 5:00 PM Convention Hall (CH-B) (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC34] Volcanic and igneous activities, and these long-term forecasting

3:45 PM - 4:00 PM

[SVC34-08] Eruption history and magma plumbing system of Miyakejima volcano 4,000–2,300 years ago

*Shota Watanabe^1,2, Takeshi Hasegawa², Teruki Oikawa³, Nobuo Geshi⁴, Masashi NAGAI⁵ (1.Mount Fuji Research Institute, Yamanashi Prefectural Government, 2.Graduate School of Science and Engineering, Ibaraki University, 3.Geological Survey of Japan, The National Institute of Advanced Industrial Science and Technology, 4.Faculty of Science, Kyushu University, 5.Volcano Disaster Resilience Research Division, National Research Institute for Earth Science and Disaster Resilience)

Wed. May 28, 2025 3:30 PM - 5:00 PM 104 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-VC Volcanology

[S-VC36] Volcanoes in the sea

4:45 PM - 5:00 PM

[SVC36-12] Detailed volcanic morphology revealed by bathymetric surveys around Ioto (Iwo-jima) in the Izu-Bonin Arc

*Masashi NAGAI¹, Tetsuji Ichino², Hiroki Minami², Yasuhiro Takanashi², Kenichiro Tani³ (1. Volcano Research Department, National Research Institute for Earth Science and Disaster Resilience, 2.Hydrographic and Oceanographic Department, Japan Coast Guard, 3.National Museum of Nature and Science)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[E] Poster
| S (Solid Earth Sciences )
| S-GC Geochemistry

[S-GC37] Volatiles in the Earth - from Surface to Deep Mantle

5:15 PM - 7:15 PM

[SGC37-P02] Noble gas geochemistry of melt inclusions in pumice of the latest magmatic eruption since 2022 of Ioto island (Iwo-Jima)

*Soho Yamamoto¹, Hirochika Sumino¹, Masashi NAGAI² (1.The University of Tokyo, 2.National Research Institute for Earth Science and Disaster Resilience)

Sun. May 25, 2025 1:45 PM - 3:15 PM 105 (International Conference Hall, Makuhari Messe)

[J] Oral
| S (Solid Earth Sciences )
| S-TT Technology & Techniques

[S-TT40] Synthetic Aperture Radar and its application

2:45 PM - 3:00 PM

[STT40-05] Development of a portable radar interferometer for volcano observation (SCOPE): Experimental observations at Mt. Fuji and Sakurajima

*Taku Ozawa¹, Yousuke Miyagi¹, Takahiro Miwa¹, Masashi NAGAI¹, Kosei Takishita¹, Taishi Yamada², Akira Nohmi³ (1.National Research Institute for Earth Science and Disaster Resilience, 2.Research Center for Volcano Hazards Mitigation, Disaster Prevention Research Institute, Kyoto University, 3.Alouette Technology Inc.)

Sun. May 25, 2025 3:30 PM - 5:00 PM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG59] Oceanic plate as inputs to subduction zone: evolution process of the oceanic plate

4:45 PM - 5:00 PM

[SCG59-12] Evaluation of heat flow of Hi-net boreholes in the Kii Peninsula and estimation of heat flow distribution by integrating geophysical datasets

Takehiro Kobira¹, *Kazuya Ishitsuka¹, Weiren Lin¹, Kentaro Omura², Masashi NAGAI², Takumi Matsumoto² (1.Kyoto University, 2.National Research Institute for Earth Science and Disaster Resilience)

Masashi NAGAI

Speaker, Author, Co-Author