Works by Geshi, Nobuo

Results: 35

Redox state of magma recorded in volcanic glass from an ash-forming eruption at Bromo volcano, Indonesia: Insights into the degassing process.

Published in:

Bulletin of Volcanology, 2023, v. 85, n. 9, p. 1, doi. 10.1007/s00445-023-01660-1

By:

Miwa, Takahiro;
Ishibashi, Hidemi;
Kazahaya, Ryunosuke;
Okumura, Satoshi;
Iguchi, Masato;
Saito, Genji;
Yasuda, Atsushi;
Geshi, Nobuo;
Kagi, Hiroyuki

Publication type:

Article

Evolution of the magma plumbing system of Miyakejima volcano with periodic recharge of basaltic magmas.

Published in:

Earth, Planets & Space, 2022, v. 74, n. 1, p. 1, doi. 10.1186/s40623-022-01577-7

By:

Geshi, Nobuo;
Oikawa, Teruki;
Weller, Derek J.;
Conway, Chris E.

Publication type:

Article

Influence of hydrothermal recharge on the evolution of eruption styles and hazards during the 2018–2019 activity at Kuchinoerabujima Volcano, Japan.

Published in:

Earth, Planets & Space, 2022, v. 74, n. 1, p. 1, doi. 10.1186/s40623-022-01580-y

By:

Minami, Yusuke;
Matsumoto, Keiko;
Geshi, Nobuo;
Shinohara, Hiroshi

Publication type:

Article

Volcanological challenges to understanding explosive large-scale eruptions.

Published in:

2020

By:

Geshi, Nobuo

Publication type:

Letter

Special Issue on Integrated Research for Volcano Hazards Mitigation.

Published in:

Journal of Disaster Research, 2025, v. 20, n. 3, p. 257, doi. 10.20965/jdr.2025.p0257

By:

Nakamichi, Haruhisa;
Geshi, Nobuo;
Maki, Masayuki

Publication type:

Article

Aspect ratios and magma overpressures of non-feeder dikes observed in the Miyake-jima volcano (Japan), and fracture toughness of its upper part.

Published in:

Geophysical Research Letters, 2013, v. 40, n. 6, p. 1065, doi. 10.1002/grl.50284

By:

Kusumoto, Shigekazu;
Geshi, Nobuo;
Gudmundsson, Agust

Publication type:

Article

A roadmap for amphibious drilling at the Campi Flegrei caldera: insights from a MagellanPlus workshop.

Published in:

Scientific Drilling, 2019, v. 26, p. 29, doi. 10.5194/sd-26-29-2019

By:

Sacchi, Marco;
De Natale, Giuseppe;
Spiess, Volkhard;
Steinmann, Lena;
Acocella, Valerio;
Corradino, Marta;
de Silva, Shanaka;
Fedele, Alessandro;
Fedele, Lorenzo;
Geshi, Nobuo;
Kilburn, Christopher;
Insinga, Donatella;
Jurado, Maria-José;
Molisso, Flavia;
Petrosino, Paola;
Passaro, Salvatore;
Pepe, Fabrizio;
Porfido, Sabina;
Scarpati, Claudio;
Schmincke, Hans-Ulrich

Publication type:

Article

Caldera collapse thresholds correlate with magma chamber dimensions.

Published in:

Scientific Reports, 2023, v. 13, n. 1, p. 1, doi. 10.1038/s41598-023-34411-5

By:

Geshi, Nobuo;
Miyagi, Isoji;
Saito, Genji;
Conway, Chris E.

Publication type:

Article

Pyroclastic density currents associated with the 2015 phreatomagmatic eruption of the Kuchinoerabujima volcano.

Published in:

Earth, Planets & Space, 2018, v. 70, n. 1, p. 1, doi. 10.1186/s40623-018-0881-x

By:

Geshi, Nobuo;
Itoh, Jun’ichi

Publication type:

Article

Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan: evidence of an underground hydrothermal system surrounding the erupting vent.

Published in:

Earth, Planets & Space, 2018, v. 70, n. 1, p. 1, doi. 10.1186/s40623-018-0798-4

By:

Shinohara, Hiroshi;
Geshi, Nobuo;
Yokoo, Akihiko;
Ohkura, Takahiro;
Terada, Akihiko

Publication type:

Article

Salt shell fallout during the ash eruption at the Nakadake crater, Aso volcano, Japan: evidence of an underground hydrothermal system surrounding the erupting vent.

Published in:

Earth, Planets & Space, 2018, v. 70, n. 1, p. 1, doi. 10.1186/s40623-018-0798-4

By:

Shinohara, Hiroshi;
Geshi, Nobuo;
Yokoo, Akihiko;
Ohkura, Takahiro;
Terada, Akihiko

Publication type:

Article

Large-volume lateral magma transport from the Mull volcano: An insight to magma chamber processes.

Published in:

Geochemistry, Geophysics, Geosystems: G3, 2017, v. 18, n. 4, p. 1618, doi. 10.1002/2016GC006712

By:

Ishizuka, Osamu;
Taylor, Rex N.;
Geshi, Nobuo;
Mochizuki, Nobutatsu

Publication type:

Article

Spinifex Texture of Native Sulfur: A Cooling Product of Sulfur Flow Eruptions at Shiretoko-Iwozan Volcano, Hokkaido, Japan.

Published in:

Resource Geology, 1999, v. 49, n. 2, p. 99, doi. 10.1111/j.1751-3928.1999.tb00035.x

By:

IMAI, Akira;
GESHI, Nobuo

Publication type:

Article

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.

Published in:

Journal of Petrology, 2023, v. 64, n. 3, p. 1, doi. 10.1093/petrology/egad009

By:

Miyagi, Isoji;
Hoshizumi, Hideo;
Suda, Taichi;
Saito, Genji;
Miyabuchi, Yasuo;
Geshi, Nobuo

Publication type:

Article

Voluminous magma formation for the 30-ka Aira caldera-forming eruption in SW Japan: contributions of crust-derived felsic and mafic magmas.

Published in:

Frontiers in Earth Science, 2024, p. 01, doi. 10.3389/feart.2023.1283844

By:

Ayumu Nishihara;
Yoshiyuki Tatsumi;
Katsuya Kaneko;
Jun-Ichi Kimura;
Qing Chang;
Nobuo Geshi;
Takashi Miyazaki;
Vaglarov, Bogdan Stefanov;
Hironobu Hinata;
Keiko Suzuki-Kamata

Publication type:

Article

Shallow magma pre-charge during repeated Plinian eruptions at Sakurajima volcano.

Published in:

Scientific Reports, 2019, v. 9, n. 1, p. 1, doi. 10.1038/s41598-019-38494-x

By:

Araya, Naoki;
Nakamura, Michihiko;
Yasuda, Atsushi;
Okumura, Satoshi;
Sato, Tomoki;
Iguchi, Masato;
Miki, Daisuke;
Geshi, Nobuo

Publication type:

Article

The magmatic plumbing of the submarine Hachijo NW volcanic chain, Hachijojima, Japan: Long-distance magma transport?

Published in:

Journal of Geophysical Research. Solid Earth, 2008, v. 113, n. B8, p. n/a, doi. 10.1029/2007JB005325

By:

Ishizuka, Osamu;
Geshi, Nobuo;
Itoh, Jun'ichi;
Kawanabe, Yoshihisa;
TuZino, Taqumi

Publication type:

Article

Size and volume evaluation of the caldera collapse on Piton de la Fournaise volcano during the April 2007 eruption using ASTER stereo imagery.

Published in:

Geophysical Research Letters, 2007, v. 34, n. 22, p. n/a, doi. 10.1029/2007GL031551

By:

Urai, Minoru;
Geshi, Nobuo;
Staudacher, Thomas

Publication type:

Article

Volcanotectonics: the tectonics and physics of volcanoes and their eruption mechanics.

Published in:

Bulletin of Volcanology, 2022, v. 84, n. 8, p. 1, doi. 10.1007/s00445-022-01582-4

By:

Gudmundsson, Agust;
Drymoni, Kyriaki;
Browning, John;
Acocella, Valerio;
Amelung, Falk;
Bonali, Fabio L.;
Elshaafi, Abdelsalam;
Galindo, Ines;
Geshi, Nobuo;
Geyer, Adelina;
Heap, Michael J.;
Karaoğlu, Özgür;
Kusumoto, Shigekazu;
Marti, Joan;
Pinel, Virginie;
Tibaldi, Alessandro;
Thordarson, Thorvaldur;
Walter, Thomas R.

Publication type:

Article

Shallow crystallization of eruptive magma inferred from volcanic ash microtextures: a case study of the 2018 eruption of Shinmoedake volcano, Japan.

Published in:

Bulletin of Volcanology, 2021, v. 83, n. 5, p. 1, doi. 10.1007/s00445-021-01451-6

By:

Matsumoto, Keiko;
Geshi, Nobuo

Publication type:

Article

Accumulation of rhyolite magma and triggers for a caldera-forming eruption of the Aira Caldera, Japan.

Published in:

Bulletin of Volcanology, 2020, v. 82, n. 6, p. 1, doi. 10.1007/s00445-020-01384-6

By:

Geshi, Nobuo;
Yamada, Ikuko;
Matsumoto, Keiko;
Nishihara, Ayumu;
Miyagi, Isoji

Publication type:

Article

Heat source of the 2014 phreatic eruption of Mount Ontake, Japan.

Published in:

Bulletin of Volcanology, 2020, v. 82, n. 4, p. 1, doi. 10.1007/s00445-020-1358-x

By:

Miyagi, Isoji;
Geshi, Nobuo;
Hamasaki, Satoshi;
Oikawa, Teruki;
Tomiya, Akihiko

Publication type:

Article

Distribution and mass of tephra-fall deposits from volcanic eruptions of Sakurajima Volcano based on posteruption surveys.

Published in:

Bulletin of Volcanology, 2018, v. 80, n. 4, p. 1, doi. 10.1007/s00445-018-1215-3

By:

Oishi, Masayuki;
Nishiki, Kuniaki;
Geshi, Nobuo;
Furukawa, Ryuta;
Ishizuka, Yoshihiro;
Oikawa, Teruki;
Yamamoto, Takahiro;
Nanayama, Futoshi;
Tanaka, Akiko;
Hirota, Akinari;
Miwa, Takahiro;
Miyabuchi, Yasuo

Publication type:

Article

Steady subsidence of a repeatedly erupting caldera through InSAR observations: Aso, Japan.

Published in:

Bulletin of Volcanology, 2017, v. 79, n. 5, p. 1, doi. 10.1007/s00445-017-1112-1

By:

Nobile, Adriano;
Acocella, Valerio;
Ruch, Joel;
Aoki, Yosuke;
Borgstrom, Sven;
Siniscalchi, Valeria;
Geshi, Nobuo

Publication type:

Article

Volcanic gas composition changes during the gradual decrease of the gigantic degassing activity of Miyakejima volcano, Japan, 2000-2015.

Published in:

Bulletin of Volcanology, 2017, v. 79, n. 2, p. 1, doi. 10.1007/s00445-017-1105-0

By:

Shinohara, Hiroshi;
Geshi, Nobuo;
Matsushima, Nobuo;
Saito, Genji;
Kazahaya, Ryunosuke

Publication type:

Article

The spectrum of basaltic feeder systems from effusive lava eruption to explosive eruption at Miyakejima volcano, Japan.

Published in:

Bulletin of Volcanology, 2014, v. 76, n. 3, p. 1, doi. 10.1007/s00445-014-0797-7

By:

Geshi, Nobuo;
Oikawa, Teruki

Publication type:

Article

Short time scales of magma-mixing processes prior to the 2011 eruption of Shinmoedake volcano, Kirishima volcanic group, Japan.

Published in:

Bulletin of Volcanology, 2013, v. 75, n. 10, p. 1, doi. 10.1007/s00445-013-0750-1

By:

Tomiya, Akihiko;
Miyagi, Isoji;
Saito, Genji;
Geshi, Nobuo

Publication type:

Article

From structure- to erosion-controlled subsiding calderas: evidence thresholds and mechanics.

Published in:

Bulletin of Volcanology, 2012, v. 74, n. 6, p. 1553, doi. 10.1007/s00445-012-0617-x

By:

Geshi, Nobuo;
Acocella, Valerio;
Ruch, Joel

Publication type:

Article

Migration of a volcanic front inferred from K- Ar ages of late Miocene to Pliocene volcanic rocks in central Japan.

Published in:

Island Arc, 2014, v. 23, n. 3, p. 236, doi. 10.1111/iar.12073

By:

Nakamura, Hitomi;
Oikawa, Teruki;
Geshi, Nobuo;
Matsumoto, Akikazu

Publication type:

Article

Implication of the temporal sulphur isotopic variation during the 2000 eruption of Miyakejima Volcano, Japan.

Published in:

Island Arc, 2007, v. 16, n. 1, p. 83, doi. 10.1111/j.1440-1738.2007.00549.x

By:

Imai, Akira;
Geshi, Nobuo;
Shimano, Taketo;
Nakada, Setsuya

Publication type:

Article

Magmatic overpressures, volatile exsolution and potential explosivity of fissure eruptions inferred via dike aspect ratios.

Published in:

Scientific Reports, 2020, v. 10, n. 1, p. 1, doi. 10.1038/s41598-020-66226-z

By:

Geshi, Nobuo;
Browning, John;
Kusumoto, Shigekazu

Publication type:

Article

Origins and significance of alteration textures in hydrovolcanic products from active volcanoes.

Published in:

Earth, Planets & Space, 2025, v. 77, n. 1, p. 1, doi. 10.1186/s40623-025-02160-6

By:

Minami, Yusuke;
Geshi, Nobuo

Publication type:

Article

Mechanical architecture and dynamic evolution of caldera faults.

Published in:

Geophysical Research Abstracts, 2019, v. 21, p. 1

By:

Browning, John;
Mitchell, Thomas;
Meredith, Philip;
Cembrano, Jose;
Marquardt, Carlos;
Cordeiro, Pedro;
Healy, David;
Acocella, Valerio;
Gudmundsson, Agust;
Geshi, Nobuo;
Drymoni, Kyriaki;
Karaoglu, Ozgur

Publication type:

Article

Special issue 'The phreatic eruption of Mt. Ontake volcano in 2014'.

Published in:

2016

By:

Yamaoka, Koshun;
Geshi, Nobuo;
Hashimoto, Takeshi;
Ingebritsen, S.;
Oikawa, Teruki

Publication type:

Editorial

Estimation of total discharged mass from the phreatic eruption of Ontake Volcano, central Japan, on September 27, 2014.

Published in:

Earth, Planets & Space, 2016, v. 68, n. 1, p. 1, doi. 10.1186/s40623-016-0511-4

By:

Takarada, Shinji;
Oikawa, Teruki;
Furukawa, Ryuta;
Hoshizumi, Hideo;
Itoh, Jun'ichi;
Geshi, Nobuo;
Miyagi, Isoji

Publication type:

Article