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Contrasting volcano spacing along SW Japan arc caused by difference in age of subducting lithosphere
https://nied-repo.bosai.go.jp/records/4628
https://nied-repo.bosai.go.jp/records/46285cbdf60f-a42d-4f81-8373-375132eba412
| Item type | researchmap(1) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 公開日 | 2023-03-30 | |||||||||||||||
| タイトル | ||||||||||||||||
| 言語 | en | |||||||||||||||
| タイトル | Contrasting volcano spacing along SW Japan arc caused by difference in age of subducting lithosphere | |||||||||||||||
| 言語 | ||||||||||||||||
| 言語 | eng | |||||||||||||||
| 著者 |
Yoshiyuki Tatsumi
× Yoshiyuki Tatsumi
× Nobuaki Suenaga
× Shoichi Yoshioka
× Katsuya Kaneko
× Takumi Matsumoto
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| 抄録 | ||||||||||||||||
| 内容記述タイプ | Other | |||||||||||||||
| 内容記述 | <title>Abstract</title> The SW Japan arc built by subduction of the Philippine Sea (PHS) plate exhibits uneven distribution of volcanoes: thirteen Quaternary composite volcanoes form in the western half of this arc, Kyushu Island, while only two in the eastern half, Chugoku district. Reconstruction of the PHS plate back to 14?Ma, together with examinations based on thermal structure models constrained by high-density heat flow data and a petrological model for dehydration reactions suggest that fluids are discharged actively at depths of 90?100?km in the hydrous layer at the top of the old (>?50?Ma), hence, cold lithosphere sinking beneath Kyushu Island. In contrast, the young (15?25?Ma) oceanic crust downgoing beneath Chugoku district releases fluids largely at shallower depths, i.e. beneath the non-volcanic forearc, to cause characteristic tectonic tremors and low-frequency earthquakes (LFEs) and be the source of specific brine springs. Much larger amounts of fluids supplied to the magma source region in the western SW Japan arc could build more densely-distributed volcanoes. |
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| 言語 | en | |||||||||||||||
| 書誌情報 |
en : Scientific Reports 巻 10, 号 15005, 発行日 2020-09-14 |
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| 出版者 | ||||||||||||||||
| 言語 | en | |||||||||||||||
| 出版者 | natureresearch | |||||||||||||||
| ISSN | ||||||||||||||||
| 収録物識別子タイプ | EISSN | |||||||||||||||
| 収録物識別子 | 2045-2322 | |||||||||||||||
| DOI | ||||||||||||||||
| 関連識別子 | 10.1038/s41598-020-72173-6 | |||||||||||||||
