Geshi Nobuo

Affiliation and department：
Job title： Professor

Research field (2)： Solid earth science , Solid earth science

Research keywords (6)： volcano , eruption , magma , intrusion , caldera , large-scale eruption

Research theme for competitive and other funds (12)：

2022 - 2025 マグマ過剰圧とその時間変化の追跡による爆発的割れ目噴火推移過程の解明
2022 - 2025 岩相の特徴量自動認識による火山性露頭その場調査手法の研究
2019 - 2023 Relationship between explosivity and driving force of eruption inferred from conduit geometry
2016 - 2021 Development of near-real time volcanology based on in-situ observation experiments of shallow magmatic processes
2016 - 2017 高温変形実験による浅所貫入マグマ物性の研究

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Papers (139)：

Ayumu Nishihara, Yoshiyuki Tatsumi, Katsuya Kaneko, Jun-Ichi Kimura, Qing Chang, Nobuo Geshi, Takashi Miyazaki, Bogdan Stefanov Vaglarov, Hironobu Hinata, Keiko Suzuki-Kamata. Voluminous magma formation for the 30-ka Aira caldera-forming eruption in SW Japan: contributions of crust-derived felsic and mafic magmas. Frontiers in Earth Science. 2024. 11
Takahiro Miwa, Hidemi Ishibashi, Ryunosuke Kazahaya, Satoshi Okumura, Masato Iguchi, Genji Saito, Atsushi Yasuda, Nobuo Geshi, Hiroyuki Kagi. Redox state of magma recorded in volcanic glass from an ash-forming eruption at Bromo volcano, Indonesia: Insights into the degassing process. Bulletin of Volcanology. 2023. 85. 9
Isoji Miyagi, Hideo Hoshizumi, Taichi Suda, Genji Saito, Yasuo Miyabuchi, Nobuo Geshi. Importance of long-term shallow degassing of basaltic magma on the genesis of massive felsic magma reservoirs: A case study of Aso caldera, Kyushu, Japan. Journal of Petrology. 2023
Yusuke Minami, Keiko Matsumoto, Nobuo Geshi, Hiroshi Shinohara. Influence of hydrothermal recharge on the evolution of eruption styles and hazards during the 2018-2019 activity at Kuchinoerabujima Volcano, Japan. Earth, Planets and Space. 2022. 74. 1
Nobuo Geshi, Hideto Naruo. Long-term change of the eruption activities of Sakurajima volcano, Japan, inferred from the fallout tephra deposits. Frontiers in Earth Science. 2022. 10

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MISC (89)：

Noguchi Rina, Haruyama Junichi, Geshi Nobuo, Shoji Daigo, Fujimoto Keiichiro. Development of an efficient method of outcrop survey using image analysis and machine learning technology. PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2022. 2022. 106-106
渡部将太, 及川輝樹, 下司信夫, 長谷川健. Phreatomagmatic stratigraphy and eruptive history of maar cluster at the southern coastal area, Miyakejima Volcano, Japan. 日本地球惑星科学連合大会予稿集(Web). 2022. 2022
星住英夫, 宮縁育夫, 宮城磯治, 下司信夫, 宝田晋治. Tephrostratigraphy and Eruptive History of Aso-4/3 Tephra Group, Aso Volcano: Preparatory Process for Aso-4 Ignimbrite Eruption. 火山. 2022. 67. 1
渡部将太, 長谷川健, 及川輝樹, 下司信夫. Eruptive stratigraphy and petrological characteristics during 4.0-2.5 ka of Miyakejima Volcano, Japan: Magmatic evolution process from dormant to active stages. 日本火山学会講演予稿集. 2021. 2021
Noguchi Rina, Geshi Nobuo, Shoji Daigo, Hino Hideitsu. Development of initial description method for volcanic ash using grain shape and transparency. PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2020. 2020. 27-27

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Books (3)：

Awards (3)：

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