{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1363388846122323456.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/j.tecto.2014.12.020"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0040195115000116?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:S0040195115000116?httpAccept=text/plain"}}],"dc:title":[{"@value":"Reactivation of an old plate interface as a strike-slip fault in a slip-partitioned system: Median Tectonic Line, SW Japan"}],"description":[{"notation":[{"@value":"Abstract   In models for strain-partitioning at obliquely-convergent plate boundaries, trench-parallel slip occurs on a vertical fault. Trench-parallel slip at the Nankai subduction zone, SW Japan, is mapped along the Median Tectonic Line (MTL) which dips approximately 40°N. To understand its structural context and how the MTL functions in this slip-partitioned system, we collected a set of three seismic profiles in the Kii peninsula south of Osaka, using a multi-scale acquisition strategy that provides increasingly fine resolution. To understand its fault kinematics, we analyzed microseismic activity in two locations on the fault, using source data from Japan's Hi-net monitoring network. Structural details suggest that the MTL functioned as a megathrust during subduction of the Cretaceous Sanbagawa HP metamorphic belt. Its current pattern of microseismicity shows that it behaves as a strike-slip fault with no indication of a vertical fault at or around its surface trace. Thus, trench-parallel slip at the Nankai is now accommodated on an inclined fault plane in an unusual form of partitioning. This system appears to have developed out of a two-phase tectonic history in which a thrust structure that formed under initial-phase compressive stresses has been reactivated as a strike-slip fault under subsequent-phase shear stresses. Its unusual kinematics show that shear failure can occur on an existing non-vertical fault plane at a regional scale in preference to the rupture of a new ideal (vertical) fault plane."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1383388846122323458","@type":"Researcher","foaf:name":[{"@value":"Hiroshi Sato"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388846122323457","@type":"Researcher","foaf:name":[{"@value":"Naoko Kato"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388846122323460","@type":"Researcher","foaf:name":[{"@value":"Susumu Abe"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388846122323459","@type":"Researcher","foaf:name":[{"@value":"Anne Van Horne"}]},{"@id":"https://cir.nii.ac.jp/crid/1383388846122323456","@type":"Researcher","foaf:name":[{"@value":"Tetsuya Takeda"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00401951"}],"prism:publicationName":[{"@value":"Tectonophysics"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"2015-03","prism:volume":"644-645","prism:startingPage":"58","prism:endingPage":"67"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/","https://www.elsevier.com/legal/tdmrep-license"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:S0040195115000116?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:S0040195115000116?httpAccept=text/plain"}],"createdAt":"2015-01-08","modifiedAt":"2025-09-22","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002216044476800","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Cambrian plutonism in Northeast Japan and its significance for the earliest arc-trench system of proto-Japan: New U–Pb zircon ages of the oldest granitoids in the Kitakami and Ou Mountains"}]},{"@id":"https://cir.nii.ac.jp/crid/1360017282442182144","@type":"Article","resourceType":"学術雑誌論文(journal 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