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Reconstruction of the 2014 eruption sequence of Ontake Volcano from recorded images and interviews
http://hdl.handle.net/10091/00020605
http://hdl.handle.net/10091/00020605b7e298c5-2774-4f62-b776-5cebadefdd49
名前 / ファイル | ライセンス | アクション |
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s40623-016-0458-5.pdf (4.7 MB)
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© 2016 Oikawa et al. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-05-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Reconstruction of the 2014 eruption sequence of Ontake Volcano from recorded images and interviews | |||||
言語 | ||||||
言語 | eng | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1186/s40623-016-0458-5 | |||||
関連名称 | 10.1186/s40623-016-0458-5 | |||||
キーワード | ||||||
主題 | Ontake Volcano, Phreatic eruption, Eruption sequence, Photo, Video, Interview, Pyroclastic density current, Ash column collapse, Muddy rain, Lahar | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Oikawa, Teruki
× Oikawa, Teruki× Yoshimoto, Mitsuhiro× Nakada, Setsuya× Maeno, Fukashi× Komori, Jiro× Shimano, Taketo× Takeshita, Yoshihiro× Ishizuka, Yoshihiro× Ishimine, Yasuhiro |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Takeshita, Yoshihiro | |||||
URL | http://soar-rd.shinshu-u.ac.jp/profile/ja.jVAajVkh.html | |||||
出版者 | ||||||
出版者 | SpringerOpen | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | Earth, Planets and Space. 68:79 (2016) | |||||
書誌情報 |
Earth, Planets and Space 巻 68, p. 79, 発行日 2016-05-14 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A phreatic eruption at Mount Ontake (3067 m) on September 27, 2014, led to 64 casualties, including missing people. In this paper, we clarify the eruption sequence of the 2014 eruption from recorded images (photographs and videos obtained by climbers) and interviews with mountain guides and workers in mountain huts. The onset of eruption was sudden, without any clear precursory surface phenomena (such as ground rumbling or strong smell of sulfide). Our data indicate that the eruption sequence can be divided into three phases. Phase 1: The eruption started with dry pyroclastic density currents (PDCs) caused by ash column collapse. The PDCs flowed down 2.5 km SW and 2 km NW from the craters. In addition, PDCs moved horizontally by approximately 1.5 km toward N and E beyond summit ridges. The temperature of PDCs at the summit area partially exceeded 100 °C, and an analysis of interview results suggested that the temperature of PDCs was mostly in the range of 30–100 °C. At the summit area, there were violent falling ballistic rocks. Phase 2: When the outflow of PDCs stopped, the altitude of the eruption column increased; tephra with muddy rain started to fall; and ambient air temperature decreased. Falling ballistic rocks were almost absent during this phase. Phase 3: Finally, muddy hot water flowed out from the craters. These models reconstructed from observations are consistent with the phreatic eruption models and typical eruption sequences recorded at similar volcanoes. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | EISSN | |||||
収録物識別子 | 1880-5981 | |||||
権利 | ||||||
権利情報 | © 2016 Oikawa et al. This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. | |||||
出版タイプ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
WoS | ||||||
表示名 | Web of Science | |||||
URL | http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000375996300002 |