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Impact on the Electric Infrastructure Due to Volcanic Ash from a Hydrovolcanic Eruption of Aso Volcano in 2016
https://nied-repo.bosai.go.jp/records/3693
https://nied-repo.bosai.go.jp/records/3693cd9230c6-bae3-4401-be3f-61d3b9d220bf
Item type | researchmap(1) | |||||||||
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公開日 | 2023-04-27 | |||||||||
タイトル | ||||||||||
言語 | en | |||||||||
タイトル | Impact on the Electric Infrastructure Due to Volcanic Ash from a Hydrovolcanic Eruption of Aso Volcano in 2016 | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
著者 |
Masashi Nagai
× Masashi Nagai
× Setsuya Nakada
|
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抄録 | ||||||||||
内容記述タイプ | Other | |||||||||
内容記述 | A hydrovolcanic eruption in the early hours of October 8, 2016 triggered a power outage of about 29,000 houses (∼50,000 habitants) in the Aso caldera area, Kyushu, Japan. Although it was recovered naturally by the early morning of that day, the power outage occurred again in the evening following rainfall that began in the afternoon. The power supply in the caldera area had been temporarily maintained despite the heavy landslide damage due to strong earthquakes in April 2016, without the supplemental transmission lines for the normal standard. The power outage is considered to have been due to the insulator flashover in the power substation, Ichinomiya, Aso, around which the mass of volcanic ash was about 3,000 g/m<sup>2</sup> or less (≤3 mm thick). This outage resulted from high electric conductivity of the volcanic ash that was wetted with strongly acidic water dammed in the crater before the eruption. This may be one example of the power outage incident due to thin ash fall. | |||||||||
言語 | en | |||||||||
書誌情報 |
en : Journal of Disaster Research 巻 17, 号 5, p. 829-838, 発行日 2022-08-01 |
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出版者 | ||||||||||
言語 | en | |||||||||
出版者 | Fuji Technology Press Ltd. | |||||||||
ISSN | ||||||||||
収録物識別子タイプ | EISSN | |||||||||
収録物識別子 | 1883-8030 | |||||||||
DOI | ||||||||||
関連識別子 | 10.20965/jdr.2022.p0829 |