Fumihiko IKEGAMI (Online CV)

Fumihiko Ikegami / 池上郁彦 (@geoign)

2024~: Part time employee at Nippon Koei Co. Ltd.
2020~: Technical staff at Geological Survey of Japan
2021~2022: Technical staff at Japan Agency for Marine Earth Sciences and Technology (JAMSTEC)
2021-2022: Research Student at National Museum of Nature and Science
2015~2019: Ph.D. student at University of Tasmania, Australia
2014~2015: Ph.D. student at Kyushu University
2012~2014: M.Sc. at Kyushu University, Japan
2008~2012: B.Sc. at Kyushu University, Japan

Keywords of Interest and Specialty

Volcanology: Submarine Volcanism, Silicic Lava, Collapse Caldera
Geology: Submarine Volcanic Facies, Back-arc Basin
GIS: Geospatial Analysis, Volcanic Geomorphology, Application of Generative AI
Geophysics: Seismic Processing and Interpretation
Photography: Field Photography, Field 3D Measurement

Research Areas involved

Fukutoku-Oka-no-Ba (Izu-Bonin arc, Japan)
Havre caldera (Kermadec arc, New Zealand)
Omurodashi (Izu-Bonin arc, Japan)
Okinawa Trough & Ryukyu Arc (SW Japan)
Kikai caldera (SW off Kyushu, Japan)

Publications

Contributer for "Giant Pumice" and "Havre Submarine Volcano" on Chigaku Jiten (Encyclopedia of Earth Science). ISBN: 9784582115086
Oikawa, T., Ikegami, F., Watanabe, S., 2023. Eruption Styles and Source Volcanoes for Drifting Pumice Deposited along the Nansei Islands, Southwest Japan. Bulletin of the Volcanological Society of Japan. Vol. 68, (3)171-187. http://dx.doi.org/10.18940/kazan.68.3_171
Geshi, N., Ikegami, F., Nishihara, A., 2021. Dataset of the time sequence of large-scale pyroclastic eruptions, No.2. Open-File Report of the Geological Survey of Japan, AIST. 722, 1-25. https://www.gsj.jp/publications/pub/openfile/openfile0722.html
McPhie, J., Jutzeler, M., Ikegami, F., Carey, R., 2020. Syn-eruptive soft-sediment deformation structures in a deep submarine caldera: Havre, 2012. Mar. Geol. 106373. https://doi.org/10.1016/j.margeo.2020.106373
Geshi, N., Ikegami, F., Nishihara, A., 2020. Dataset of the time sequence of large-scale pyroclastic eruptions, No.1. Open-File Report of the Geological Survey of Japan, AIST. 700, 1-60. https://www.gsj.jp/publications/pub/openfile/openfile0700.html
Murch, A.P., White, J.D.L., Barreyre, T., Carey, R.J., Mundana, R., Ikegami, F., 2020. Volcaniclastic Dispersal During Submarine Lava Effusion: The 2012 Eruption of Havre Volcano, Kermadec Arc, New Zealand. Front Earth Sci. 8, 237. https://doi.org/10.3389/feart.2020.00237
Ikegami, F., McPhie, J., Carey, R., Mundana, R., Soule, A., and Jutzeler, M. (2018). The Eruption of Submarine Rhyolite Lavas and Domes in the Deep Ocean – Havre 2012, Kermadec Arc. Front Earth Sci. 6, 147. http://dx.doi.org/10.3389/feart.2018.00147
Carey, R., Adam Soule, S., Manga, M., White, J., McPhie, J., Wysoczanski, R., Jutzeler, M., Tani, K., Yoerger, D., Fornari, D., Caratori-Tontini, F., Houghton, B., Mitchell, S., Ikegami, F., Conway, C., Murch, A., Fauria, K., Jones, M., Cahalan, R., McKenzie, W., 2018. The largest deep-ocean silicic volcanic eruption of the past century. Science Advances 4, e1701121. https://doi.org/10.1126/sciadv.1701121 (The 3D map I have rendered for this paper was featured on January's Top Science images in Nature.)
Ikegami, F., Tsuji, T., Kumagai, H., Ishibashi, J.-I., Takai, K., 2015. Active Rifting Structures in Iheya Graben and Adjacent Area of the Mid-Okinawa Trough Observed Through Seismic Reflection Surveys, in: Subseafloor Biosphere Linked to Hydrothermal Systems. Springer, Tokyo, pp. 361–368. https://doi.org/10.1007/978-4-431-54865-2_28 (Peer-reviewed chapter)
Ishibashi, J.-I., Ikegami, F., Tsuji, T., Urabe, T., 2015. Hydrothermal Activity in the Okinawa Trough Back-Arc Basin: Geological Background and Hydrothermal Mineralization, in: Subseafloor Biosphere Linked to Hydrothermal Systems. Springer, Tokyo, pp. 337–359. https://doi.org/10.1007/978-4-431-54865-2_27 (Peer-reviewed chapter)

See Google Scholar Page for the full list.

Awards

2016: Prize at Earth & Planetary Photography Contest (Geological Society of Japan)
2015-2019: Tasmania Graduate Scholarship (University of Tasmania)
2014: Full exemption from repayment duty due to outstanding performance (JASSO Scholarship)
2014: Prize at Earth & Planetary Photography Contest (Geological Society of Japan)
2014: Outstanding Student Presentation Award (JGS Branch of Western Japan)
2013: Prize at Earth & Planetary Photography Contest (Geological Society of Japan)
2012-2014: JASSO Type-I Scholarship (Japan Student Services Organization)
2011: Outstanding Student Presentation Award (Geological Society of Japan 2011 Assembly)

Presentations

Showing important presentations only.

Ikegami, F. 2024. Origin and Movement of Drifting Pumice. Japan Society of Civil Engineers. (Seminar)
Ikegami, F., Geshi, N., Takarada, S. 2022. The Escalating Eruptive Sequence of the 2021-2022 Eruption of Hunga Tonga - Hunga Ha’apai. Japan Geoscience Union General Assembly. (Poster)
Ikegami, F. 2022. Toward the rapid quantification of the pumice rafts volume - An attempt from Fukutoku-Oka-no-Ba 2021 Eruption and other recent raft-forming eruptions. Japan Geoscience Union General Assembly. (Oral; Invited)
Ikegami, F., Carey, R., McPhie, J., 2017b. Topographical and structural controls on the Havre 2012 submarine rhyolitic lavas. IAVCEI 2017 General Assembly. Portland, US. ME22A-4. (Oral)
Ikegami, F., Carey, R., McPhie, J., Mundana, R., 2017a. The Effects of Hydrostatic Pressure on the Deep Submarine Silicic Lavas Havre 2012 Eruption. AGU Chapman Conference of Submarine Volcanism. Hobart, Australia. (Poster)
Ikegami, F., Carey, R., McPhie, J., Soule, A., Tani, K., 2016. The morphology and effusion rate of deep submarine silicic lava flows and domes emplaced during the Havre 2012 eruption, Kermadec Arc, New Zealand. Japan Geoscience Union General Assembly 2016. Makuhari, Japan. SVC47-34. (Oral)