Tue. May 28, 2024 9:00 AM - 10:30 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

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

[S-VC26] Active Volcanism

10:00 AM - 10:15 AM

[SVC26-05] Classification of continuous seismograms during the eruption off Ioto in 2023 based on the wavelet scattering transform

*Takashi Hirose¹, Hideki Ueda², Tomofumi Kozono², Masashi NAGAI² (1.Graduate School of Science, Tohoku University, 2.National Research Institute for Earth Science and Disaster Resilience)

Wed. May 29, 2024 10:45 AM - 11:45 AM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

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

[S-VC31] Mechanism of volcanic eruptions

11:00 AM - 11:15 AM

[SVC31-14] Eruptive sequence and eruption style in the 12th Century eruption of the Asama-Maekake volcano

*Maya Yasui¹, Masaki Takahashi¹, Tatsuo Kanamaru¹, Masashi NAGAI² (1.College of Humanities and Sciences, Nihon University, 2.Volcano Disaster Resilience Research Division, National Research Institute for Earth Science and Disaster Resilience)

Sun. May 26, 2024 3:30 PM - 4:45 PM 301A (International Conference Hall, Makuhari Messe)

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

[S-GC32] Volatiles in the Earth - from Surface to Deep Mantle

4:15 PM - 4:30 PM

[SGC32-09] Helium and carbon isotope ratios of fumarolic gases from Iwojima volcano, Izu-Ogasawara arc, Japan revisited: Significant contribution of subducted volatiles?

*Hirochika Sumino^1,2, Masashi NAGAI², Muga Yaguchi³ (1.Research Center for Advanced Science and Technology, The University of Tokyo, 2.National Research Institute for Earth Science and Disaster Resilience, 3.Meteorological Research Institute)

Fri. May 31, 2024 9:00 AM - 10:15 AM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG54] Volcanoes in the sea

9:45 AM - 10:00 AM

[SCG54-04] Magma–water interaction during the 2022 shallow sea eruption at Ioto, Ogasawara, Japan

*Takahiro Miwa¹, Masashi NAGAI¹, Hideki Ueda¹, Tomofumi Kozono¹, Setsuya Nakada¹, ATSUSHI YASUDA² (1.National Research Institute for Earth Science and Disaster Resilience, 2.Earthquake Research Institute, University of Tokyo)

Fri. May 31, 2024 10:45 AM - 12:00 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG54] Volcanoes in the sea

11:30 AM - 11:45 AM

[SCG54-09] The eruption sequence and products of the 2023 eruption off the Okinahama beach, Ioto(Iwojima), Japan

*Masashi NAGAI¹, Takahiro Miwa¹, Setsuya Nakada¹, Hirochika Sumino², Hideki Ueda¹, Atsushi Yasuda³, Tomofumi Kozono¹, Takashi Hirose⁴, Hiroki Minami⁵, Tetsuo Kobayashi⁶ (1. Volcano Research Department, National Research Institute for Earth Science and Disaster Resilience, 2.Research Center for Advanced Science and Technology, the University of Tokyo, 3.Earthquake Research Institute, The University of Tokyo, 4.Tohoku University, 5.Hydrographic and Oceanographic Department, Japan Coast Guard, 6.Kagoshima University)

Fri. May 31, 2024 1:45 PM - 3:00 PM 301B (International Conference Hall, Makuhari Messe)

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

[S-CG54] Volcanoes in the sea

1:45 PM - 2:00 PM

[SCG54-11] August 2021 eruption of Fukutoku-Oka-no-Ba Volcano, Izu-Bonin Arc: Understanding the eruption and tephra dispersal mechanisms from rapid response seafloor surveys

★Invited Papers

*Kenichiro Tani¹, Takashi Sano¹, Osamu Ishizuka², Teruki Oikawa², Yoshiaki Suzuki², Hajime Katayama², Hiroki Minami³, Masashi NAGAI⁴, Taketo Shimano⁵, Michihiko Nakamura⁶, Taisei Ukita⁶, Fukashi Maeno⁷, Tatsuki Mizuno⁷, Naoto Jimi⁸, Iona McIntosh⁹, Fumihiko Ikegami¹⁰ (1.National Museum of Nature and Science, 2.National Institute of Advanced Industrial Science and Technology, 3.Japan Coast Guard, 4.National Research Institute for Earth Science and Disaster Resilience, 5.Kagoshima University, 6.Tohoku University, 7.University of Tokyo, 8.Nagoya University, 9.Japan Agency for Marine-Earth Science and Technology, 10.University of Tasmania)

Masashi NAGAI

Speaker, Author, Co-Author

★Invited Papers