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Observation Results of Low Frequency Electromagnetic Emissions as Precursors of Volcanic Eruption at Mt. Mihara in November, 1986
https://uec.repo.nii.ac.jp/records/8788
https://uec.repo.nii.ac.jp/records/8788f550af88-5b60-45d3-a447-b9cc5b94b3b2
名前 / ファイル | ライセンス | アクション |
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AA00698879_42_3_225 (1.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-08-28 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Observation Results of Low Frequency Electromagnetic Emissions as Precursors of Volcanic Eruption at Mt. Mihara in November, 1986 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Yoshino, Takeo
× Yoshino, Takeo× Tomizawa, Ichiro |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | At the time of the major volcanic eruptions on November 15 and 21, 1986 at Mt. Mihara, Izu-Ohshima Island, Tokyo territory, Japan, a detector from a multipoint direction-finding network to detect electromagnetic emissions was operating. Since October 20, 1986 impulsive noises at 82kHz were recorded, and these anomalous burst-like noise observations increased after November 3. At 10-16 JST (Japanese Standard Time, UT+9 hours) on November 14, several strong noise bursts were observed, and the first major eruption occurred at the main summit crater of this volcano at 16 JST on November 15. At 10-12 JST on November 21, noise bursts were observed and four hours later, 19 new craters erupted suddenly on the side slope of the mountain, both in and outside the caldera, simultaneously with the intrusion of dykes in the mountain body. These records are the first observations of electromagnetic emissions as precursors to volcanic eruptions ever recorded. The authors present this paper in the form of a short note for data presentation, because analysis of these data and comparison with other observations is still continuing. | |||||
書誌情報 |
en : Journal of geomagnetism and geoelectricity 巻 42, 号 3, p. 225-235, 発行日 1990 |
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出版者 | ||||||
出版者 | 地球電磁気・地球惑星圏学会(SGEPSS) | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00221392 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00698879 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5636/jgg.42.225 | |||||
権利 | ||||||
権利情報 | (c)1990 地球電磁気・地球惑星圏学会(SGEPSS) | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.5636/jgg.42.225 | |||||
関連名称 | オリジナル | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |