桜島火山における繰り返し相対重力測定 (2018年5月-2019年2月)
書誌事項
- タイトル別名
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- Repeated Relative Gravity Measurements in Sakurajima Volcano (May 2018-February 2019)
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抄録
Relative gravity values were repeatedly measured at 19 gravity points in and around Sakurajima Volcano in May 2018, August-October 2018 and January-February 2019, to monitor spatiotemporal mass variations associated with volcanism. The relative gravity values measured from 2006 to 2019 showed a clear increase in the central part of the volcano by up to +4.7μGal/yr. The gravity increase can be explained by the point mass increase of 1.9×10¹ºkg/yr under the Kita-dake summit at the depth of 3 km below sea level. This result implies that volcanic mass continuously increases under Sakurajima Volcano, even during the quiet period of eruptive activities at the Minami-dake crater.
収録刊行物
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- 京都大学防災研究所年報. B
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京都大学防災研究所年報. B 62 (B), 318-324, 2019-09
京都大学防災研究所
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詳細情報 詳細情報について
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- CRID
- 1050845763870262144
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- NII論文ID
- 120006770314
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- NII書誌ID
- AN00027784
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- ISSN
- 0386412X
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- HANDLE
- 2433/244965
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- 本文言語コード
- ja
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- 資料種別
- departmental bulletin paper
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- データソース種別
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- IRDB
- CiNii Articles