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dc.contributor.authorFukahata, Yukitoshien
dc.contributor.alternative深畑, 幸俊ja
dc.date.accessioned2019-03-19T00:13:29Z-
dc.date.available2019-03-19T00:13:29Z-
dc.date.issued2019-01-15-
dc.identifier.issn2197-4284-
dc.identifier.urihttp://hdl.handle.net/2433/237366-
dc.description.abstractThe Philippine Sea (PHS) slab is severely deformed beneath central Japan, but it is subject to little deformation before the subduction along the Nankai Trough. Thus, it is considered that the currently observed deformation of the PHS slab has been formed only after the subduction along the Nankai Trough. This study estimates the contraction rate of the PHS slab along segments roughly parallel to the Nankai Trough, assuming that the configuration of the PHS slab is stationary in time in the coordinate system fixed to the overriding plate. Results show that the contraction rate is small beneath most parts of Shikoku (≤ 0.3 mm/year) and the offshore fore-arc (≤ 0.6 mm/year), while it increases from the Pacific coastal region (3–6 mm/year) to the inland region (approximately 20 mm/year) beneath central Japan. Considering various error sources, the strain rate is estimated to be about 4–7 × 10⁻⁸/year beneath the inland region of central Japan, although it could be reduced by about 20% if the PHS slab has a tear beneath the Kii Strait. Due to the geographical concordance of the deformation between the PHS slab and the upper crust above the slab, the contraction rate of the PHS slab could be used as a proxy to provide an independent estimate of the crustal deformation rate of central Japan over the long term, which is slower than the geodetic estimate while faster than the geologic one.en
dc.format.mimetypeapplication/pdf-
dc.language.isoeng-
dc.publisherSpringer Berlin Heidelbergen
dc.rights© The Author(s). 2019. 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.en
dc.subjectPhilippine Sea slaben
dc.subjectCentral Japanen
dc.subjectContraction rateen
dc.subjectStrain rateen
dc.titleEstimate of the contraction rate of central Japan through the deformation of the Philippine Sea slaben
dc.typejournal article-
dc.type.niitypeJournal Article-
dc.identifier.jtitleProgress in Earth and Planetary Scienceen
dc.identifier.volume6-
dc.relation.doi10.1186/s40645-018-0251-0-
dc.textversionpublisher-
dc.identifier.artnum4-
dc.addressDisaster Prevention Research Institute, Kyoto Universityen
dcterms.accessRightsopen access-
datacite.awardNumber26109003-
jpcoar.funderName日本学術振興会ja
jpcoar.funderName.alternativeJapan Society for the Promotion of Science (JSPS)en
出現コレクション:学術雑誌掲載論文等

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