Tue. May 24, 2022 10:45 AM - 12:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

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

[S-VC28] International volcanology

11:00 AM - 11:15 AM

[SVC28-08] Significance of the nanolite in the black pumice of 2021 Fukutoku-Oka-no-Ba eruption

*Kenta Yoshida¹, Akira Miyake², Shota Okumura², Hidemi Ishibashi³, Satoshi Okumura⁴, Yoshihiko Tamura¹, Shigeaki Ono¹ (1.Japan Agency for Marine-Earth Science and Technology, 2.Department of Geology and Mineralogy, Kyoto University, 3.Faculty of Science, Shizuoka University, 4.Faculty of Science, Tohoku University)

Thu. May 26, 2022 1:45 PM - 3:15 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

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

[S-VC32] Dynamics of volcanic eruptions and their physical and chemical processes

2:30 PM - 2:45 PM

[SVC32-03] The origin of pyroclastic obsidian: A case study of obsidian in Kemanai pyroclastic flow from the 915 eruption of Towada Volcano, Japan

*Rikuto Hirata¹, Satoshi Okumura¹ (1.Division of Earth and Planetary Materials Science, Department of Earth Science, Graduate School of Science, Tohoku University)

Thu. May 26, 2022 3:30 PM - 5:00 PM International Conference Room (IC) (International Conference Hall, Makuhari Messe)

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

[S-VC32] Dynamics of volcanic eruptions and their physical and chemical processes

3:45 PM - 4:00 PM

[SVC32-07] The mechanism of gas and melt separation from crystal-rich magma under multistep decompression

*Masaki Kobayashi¹, Satoshi Okumura¹, Masato Hoshino², Kentaro Uesugi², Osamu Sasaki³ (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.JASRI/SPring-8 , 3.Tohoku University Museum)

Fri. Jun 3, 2022 11:00 AM - 1:00 PM Online Poster Zoom Room (22) (Ch.22)

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

[S-VC32] Dynamics of volcanic eruptions and their physical and chemical processes

11:00 AM - 1:00 PM

[SVC32-P04] Effects of conduit geometry on the dynamics of the 1986 sub-Plinian eruption at Izu-Oshima volcano

*Tomofumi Kozono¹, Hidemi Ishibashi², Satoshi Okumura³, Takahiro Miwa⁴ (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Department of Geoscience, Faculty of Science, Shizuoka University, 3.Department of Earth Science, Graduate School of Science, Tohoku University, 4.National Research Institute for Earth Science and Disaster Resilience)

11:00 AM - 1:00 PM

[SVC32-P09] Effects of magma properties and conduit geometry on the conduit flow dynamics during the 1914 Sakurajima eruption

*Akito Tsuchiya¹, Tomofumi Kozono¹, Satoshi Okumura² (1.Department of Geophysics, Graduate School of Science, Tohoku University, 2.Division of Earth and Planetary Material Science, Department of Earth Science, Graduate School of Science, Tohoku University)

Fri. May 27, 2022 1:45 PM - 3:15 PM 101 (International Conference Hall, Makuhari Messe)

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

[S-GC35] Volatiles in the Earth - from Surface to Deep Mantle

2:30 PM - 2:45 PM

[SGC35-04] Accumulation of water in the caldera-forming magmas of the Naruko volcano

*Alexey Kotov¹, Kenji Shimizu², Satoshi Okumura¹, Masaoki Uno¹, Noriyoshi Tsuchiya¹ (1.Tohoku University, 2.Kochi Core Center, Japan Agency for Marine-Earth Science and Technology)

Thu. May 26, 2022 9:00 AM - 10:30 AM 304 (International Conference Hall, Makuhari Messe)

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

[S-CG49] Rheology, fracture and friction in Earth and planetary sciences

9:45 AM - 10:00 AM

[SCG49-10] Small-angle X-ray scattering and wide-angle X-ray diffraction of magma under uniaxial tension

*Satoshi Okumura¹, Kentaro Uesugi², Akio Goto³, Tatsuya Sakamaki¹, Kazuhisa Matsumoto¹, Akihisa Takeuchi², Akira Miyake⁴ (1.Department of Earth Science, Graduate School of Science, Tohoku University, 2.SPring-8/JASRI, 3.Center for Northeast Asian Studies, Tohoku University, 4.Division of Earth and Planetary Sciences, Graduate School of Science, Kyoto University)

Satoshi Okumura

Speaker, Author, Co-Author