{"@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/1361699996418769408.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/0031-9201(85)90012-3"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0031920185900123?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0031920185900123?httpAccept=text/plain"}}],"dc:title":[{"@value":"The mechanism of the 1983 Japan Sea earthquake as inferred from long-period surface waves and tsunamis"}],"description":[{"notation":[{"@value":"Abstract   The source process of the Japan Sea earthquake of May 26, 1983 is studied by using the long-period surface waves and tsunamis. The moment tensor inversion of Rayleigh waves which consider the lateral heterogeneity of the Earth is developed and applied to the IDA records of this event. The moment tensor solution and first-motion data indicate that the mechanism is dip-slip and the seismic moment is 7.6 × 1027 dyne-cm. The fault is estimated to be 120 km in length, 40 km in width, and dips eastward with a dip angle of 30° from the aftershock distribution. Tsunami simulation for an actual topography is made to restrain the slip on the fault. The aftershock area and the tsunami records suggest that the fault is divided into two segments. The northern part strikes NNW and slips 4 m, while the southern part strikes NNE and slips 5 m. The fault geometry, the aspect ratio, and the stress drop of this event are similar to those of the 1964 Niigata earthquake, but differ from those of the earthquakes in the Pacific coast of Japan."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699996418769408","@type":"Researcher","foaf:name":[{"@value":"Kenji Satake"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00319201"}],"prism:publicationName":[{"@value":"Physics of the Earth and Planetary Interiors"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"1985-03","prism:volume":"37","prism:number":"4","prism:startingPage":"249","prism:endingPage":"260"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:0031920185900123?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:0031920185900123?httpAccept=text/plain"}],"createdAt":"2003-01-17","modifiedAt":"2024-01-07","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050845763145334272","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Mechanism of subsidence of the Northeast Japan forearc during the late period of a gigantic earthquake cycle"}]},{"@id":"https://cir.nii.ac.jp/crid/1050862623748407168","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tsunami 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