OHBA Tsukasa

オオバツカサ | OHBA Tsukasa

Affiliation and department：
Job title：教授
Homepage URL (1)： http://www.gipc.akita-u.ac.jp/~earth-resource/petrology/index_j.html

Research field (2)： Solid earth science , Disaster prevention engineering

Research keywords (9)： volcanic rock , Tohoku , Indonesia , phreatic eruption , magma plumbing system , volcanic hydrothermal system , steam-blast eruption , eruption , volcano

Research theme for competitive and other funds (11)：

2024 - 2027 ミョウバン石族鉱物が拓くマグマ-熱水系活動史:水蒸気噴火現象理解の転換点
2021 - 2025 The prediction of eruption-sequence after phreatic explosions: Investigation for magmatic–hydrothermal systems based on geology, petrology and paleomagnetism
2020 - 2023 Material scientific approach for mitigating unpredictable explosive volcanic hazards: an investigation into magma behavior
2017 - 2020 Case study and event analysis for mitigation of unpredictable volcanic hazard
2015 - 2019 Volcano-geological approach towards high-resolution reconstructions of explosive eruption phenomena and their utilization to the volcanic hazard mitigations

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Papers (67)：

Takeshi HASEGAWA, Bunta Kikuchi, Shohei Shibata, Yuhji Yamamoto, Takumi Imura, Masao Ban, Kae Tsunematsu, Chie Kusu, Makoto Okada, Tsukasa Ohba. Application of paleomagnetic dating to large volcanic bombs: An example from the historical eruption of Azuma-Jododaira volcano, NE Japan. Earth, Planets and Space. 2023
Muhammad Alfath, Salvano Salni, Euis Tintin Yuningsih, Tsukasa Ohba. Magmatic evolution and plumbing system of Gede Salak volcano, Banten, Indonesia. Indonesian Journal on Geoscience. 2023. 10. 2
Takeshi Hasegawa, Bunta Kikuchi, Shibata Shohei, Yuhji Yamamoto, Takumi Imura, Masao Ban, Kae Tsunematsu, Chie Kusu, Makoto Okada, Tsukasa Ohba. Paleomagnetism and paleomagnetic dating to large volcanic bombs: an example from the historical eruption of Azuma-Jododaira volcano, NE Japan. Earth, Planets and Space. 2023. 75. 1
Muhammad Andriansyah Gurusinga, Tsukasa Ohba, Agung Harijoko, Takashi Hoshide. Characteristics of ash particles from the maar complex of Lamongan Volcanic Field (LVF), East Java, Indonesia: How textural features and magma composition control ash morphology. Volcanica. 2023. 6. 2
Takeshi HASEGAWA, Bunta KIKUCHI, Shohei SHIBATA, Takumi IMURA, Masao BAN, Kae TSUNEMATSU, Yuhji YAMAMOTO, Tsukasa OHBA, Kazuma SUZUKI, Atsuharu TOMARU, et al. Magma had ejected in 1893 CE eruption (Meiji eruption) at Azuma-Jododaira volcano, Fukishima Prefecture: Inferred from plaeomagnetic dating for large volcanic bombs around Tubakurosawa craters. Kazan ( Japan Volcanological Society ). 2023. 68. 3. 189-196

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MISC (22)：

Ohba Tsukasa, Hirata Aoi. Volcanic-hydrothermal system inferred from steam-blast eruption ash. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2022. 69. 114
Endo Masahiro, Ohba Tsukasa, Koizumi Nobuhiro, Ban Masao, Imura Takumi, Minami Yusuke, Nakagawa Mitsuhiro. Explosive eruption sequence after the 2.5 ka Kisakata Debris Avalanche at Chokai volcano. PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2021. 2021. 48-48
Ohba Tsukasa, Hayashi Shintaro, Kondo Keita, Endo Masahiro, Hara Yuto, Kawai Kojiro, Ban Masao, Imura Takumi, Minami Yusuke, Nakagawa Mitsuhiro. The 2.5 ka eruption accompanying the sector collapse at Chokai volcano. PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2020. 2020. 74-74
Kanno Takuya, Ohba Tsukasa, Minami Yusuke, Hayashi Shintaro, Ban Masao. Petrological correlation between lahar deposits and eruptive products - A case study of Chokai volcano. PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN. 2016. 2016. 83-83
Minami Yusuke, Ohba Tsukasa, Hayashi Shintaro, Kataoka Kyoko S. B1-21 Geomorphology and sedimentary features of lahar deposits at the northern foot of Chokai volcano, NE Japan. Programme and abstracts the Volcanological Society of Japan. 2014. 2014. 65-65

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Education (2)：

1988 - 1993 Tohoku University Graduate School of Science Department of Earth Science
1984 - 1988 Tohoku University Faculty of Science

Professional career (1)：

理学 (東北大学)

Work history (4)：

2014/04 - 現在 Akita University Faculty of International Resource Sciences Professor
2008/04 - 2014/03 Akita University Faculty of Engineering and Resource Sciences Associate Prof
1995/06 - 2008/03 Tohoku University Faculty of Science assisitant prof
2006/08 - 2007/08 Auckland University Faculty of Science Visiting Researcher

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