{"@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/1390282681486436864.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.4294/jpe1952.28.119"}},{"identifier":{"@type":"NAID","@value":"130003785209"}}],"dc:title":[{"@language":"en","@value":"Statical and dynamical study on faulting mechanism of the 1923 Kanto earthquake."}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"An inverse method to find optimum fault parameters from geodetic data with random errors is extended so as to be applicable to a case of the data including a systematic error caused by movements of reference points in triangulation. Application of the new inverse method to static displacement data associated with the Kanto earthquake of 1923 yields a dislocation source model which adequately explains both the seismological and the geodetic data.<BR>From the geodetic data, it is found that the fault motion of the Kanto earthquake is a reverse, right-lateral slip of 4.8m with a slip-angle of 140° on a plane which dips 25° towards N24°E, where the slip-angle is measured counterclockwise from a strike on the fault plane. The fault length, width, and the depth to the upper fault margin are determined as 95km, 54km, and 1.5km respectively. The seismic moment and stress drop of this earthquake are estimated to be 8.4×10<SUP>27</SUP> dyne·cm and 45 bars, respectively.<BR>Taking the static fault solution as the basic model, the dynamic process of the fracture is investigated on the basis of the long-period seismograms recorded at Hongo, Tokyo. The result shows that the rupture starts from a relocated hypocenter, 35.41°N, 139.22°E and 13.5km (depth), and extends outwards on the fault plane with a propagating velocity of the rupture front of 2.0km/sec. The rise time of the source time function is assumed to be 5.0sec. The maximum amplitude of acceleration for a frequency range of 0.0-3.3Hz at Tokyo is estimated to be about 280gal for the horizontal component and to be 60gal for the vertical component, by applying an empirical formula to the calculated ground displacements."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1030003658319669761","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"00114645"},{"@type":"NRID","@value":"1000000114645"},{"@type":"NRID","@value":"9000016910028"},{"@type":"NRID","@value":"9000403713460"},{"@type":"NRID","@value":"9000007278922"},{"@type":"NRID","@value":"9000007771703"},{"@type":"NRID","@value":"9000016911535"},{"@type":"NRID","@value":"9000010581450"},{"@type":"NRID","@value":"9000392041103"},{"@type":"NRID","@value":"9000254753586"},{"@type":"NRID","@value":"9000254753410"},{"@type":"NRID","@value":"9000254270804"},{"@type":"NRID","@value":"9000254753523"},{"@type":"NRID","@value":"9000254753277"},{"@type":"NRID","@value":"9000398819764"},{"@type":"NRID","@value":"9000009975641"},{"@type":"NRID","@value":"9000018839177"},{"@type":"NRID","@value":"9000254753524"},{"@type":"NRID","@value":"9000009810504"},{"@type":"NRID","@value":"9000391402102"},{"@type":"NRID","@value":"9000254753144"},{"@type":"NRID","@value":"9000254270687"},{"@type":"NRID","@value":"9000283105032"},{"@type":"NRID","@value":"9000004598562"},{"@type":"NRID","@value":"9000016912214"},{"@type":"NRID","@value":"9000391402581"},{"@type":"NRID","@value":"9000283242055"},{"@type":"NRID","@value":"9000021795017"},{"@type":"NRID","@value":"9000391406319"},{"@type":"NRID","@value":"9000254270770"},{"@type":"NRID","@value":"9000254270656"},{"@type":"NRID","@value":"9000009380909"},{"@type":"NRID","@value":"9000000119650"},{"@type":"NRID","@value":"9000391405971"},{"@type":"NRID","@value":"9000391406299"},{"@type":"NRID","@value":"9000254753213"},{"@type":"NRID","@value":"9000020937081"},{"@type":"NRID","@value":"9000254270788"}],"foaf:name":[{"@language":"en","@value":"MATSU'URA Mitsuhiro"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geophysical Institute, Faculty of Science, University of Tokyo"}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801200163968","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70151719"},{"@type":"NRID","@value":"1000070151719"},{"@type":"NRID","@value":"9000254753796"},{"@type":"NRID","@value":"9000254262888"},{"@type":"NRID","@value":"9000254270741"},{"@type":"NRID","@value":"9000254741760"},{"@type":"NRID","@value":"9000004602253"},{"@type":"NRID","@value":"9000410904541"},{"@type":"NRID","@value":"9000413694882"},{"@type":"NRID","@value":"9000254753595"},{"@type":"NRID","@value":"9000410949604"},{"@type":"NRID","@value":"9000254270803"},{"@type":"NRID","@value":"9000400157697"},{"@type":"NRID","@value":"9000000774168"},{"@type":"NRID","@value":"9000391405458"},{"@type":"NRID","@value":"9000254753522"},{"@type":"NRID","@value":"9000254263101"},{"@type":"NRID","@value":"9000001755402"},{"@type":"NRID","@value":"9000254262834"},{"@type":"NRID","@value":"9000410949332"},{"@type":"NRID","@value":"9000403549786"},{"@type":"NRID","@value":"9000283228254"},{"@type":"NRID","@value":"9000391402104"},{"@type":"NRID","@value":"9000391405187"},{"@type":"NRID","@value":"9000410949812"},{"@type":"NRID","@value":"9000254753590"},{"@type":"NRID","@value":"9000403551953"},{"@type":"NRID","@value":"9000258411897"},{"@type":"NRID","@value":"9000254271201"},{"@type":"NRID","@value":"9000254741494"},{"@type":"NRID","@value":"9000017413614"},{"@type":"NRID","@value":"9000254753539"},{"@type":"NRID","@value":"9000254262969"},{"@type":"NRID","@value":"9000254270771"},{"@type":"NRID","@value":"9000410949853"},{"@type":"NRID","@value":"9000410948881"},{"@type":"NRID","@value":"9000254262818"},{"@type":"NRID","@value":"9000254270790"},{"@type":"NRID","@value":"9000258415648"},{"@type":"NRID","@value":"9000004598565"},{"@type":"NRID","@value":"9000254740635"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/iwasaki-t"}],"foaf:name":[{"@language":"en","@value":"IWASAKI Takaya"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geophysical Institute, Faculty of Science, University of Tokyo"}]},{"@id":"https://cir.nii.ac.jp/crid/1420564276188098432","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"70257335"},{"@type":"NRID","@value":"1000070257335"},{"@type":"NRID","@value":"9000283151550"},{"@type":"NRID","@value":"9000020394897"},{"@type":"NRID","@value":"9000004853936"},{"@type":"NRID","@value":"9000258461324"},{"@type":"NRID","@value":"9000004753998"},{"@type":"NRID","@value":"9000254753048"},{"@type":"NRID","@value":"9000367420390"},{"@type":"NRID","@value":"9000256505449"},{"@type":"NRID","@value":"9000256745771"},{"@type":"NRID","@value":"9000014662283"},{"@type":"NRID","@value":"9000020545643"},{"@type":"NRID","@value":"9000020423072"},{"@type":"NRID","@value":"9000020340658"},{"@type":"NRID","@value":"9000391847845"},{"@type":"NRID","@value":"9000265257345"},{"@type":"NRID","@value":"9000005993393"},{"@type":"NRID","@value":"9000004863386"},{"@type":"NRID","@value":"9000018520959"},{"@type":"NRID","@value":"9000375905847"},{"@type":"NRID","@value":"9000254753140"},{"@type":"NRID","@value":"9000002924530"},{"@type":"NRID","@value":"9000020383609"},{"@type":"NRID","@value":"9000380977258"},{"@type":"NRID","@value":"9000006175248"},{"@type":"NRID","@value":"9000021127338"},{"@type":"NRID","@value":"9000297482863"},{"@type":"NRID","@value":"9000254270772"},{"@type":"NRID","@value":"9000254270647"},{"@type":"NRID","@value":"9000017551464"},{"@type":"NRID","@value":"9000292882037"},{"@type":"NRID","@value":"9000254270746"},{"@type":"NRID","@value":"9000265257362"},{"@type":"NRID","@value":"9000254270685"},{"@type":"NRID","@value":"9000020341603"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0180962"}],"foaf:name":[{"@language":"en","@value":"SUZUKI Yasunori"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geophysical Institute, Faculty of Science, University of Tokyo"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282681486436867","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254270773"}],"foaf:name":[{"@language":"en","@value":"SATO Ryosuke"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geophysical Institute, Faculty of Science, University of Tokyo"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00223743"},{"@type":"LISSN","@value":"00223743"},{"@type":"EISSN","@value":"18842305"}],"prism:publicationName":[{"@language":"en","@value":"Journal of Physics of the Earth"},{"@language":"ja","@value":"Ｊｏｕｒｎａｌ　ｏｆ　Ｐｈｙｓｉｃｓ　ｏｆ　ｔｈｅ　Ｅａｒｔｈ"},{"@language":"en","@value":"J,Phys,Earth"},{"@language":"ja","@value":"Ｊ，Ｐｈｙｓ，Ｅａｒｔｈ"}],"dc:publisher":[{"@language":"en","@value":"The Seismological Society of Japan, The Volcanological Society of Japan, The Geodetic Society of Japan"},{"@language":"ja","@value":"公益社団法人 日本地震学会、特定非営利活動法人 日本火山学会、日本測地学会"}],"prism:publicationDate":"1980","prism:volume":"28","prism:number":"2","prism:startingPage":"119","prism:endingPage":"143"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","availableAt":"1980","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050856995322727808","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Configuration and structure of the Philippine Sea Plate off Boso, Japan: constraints on the shallow subduction kinematics, seismicity, and slow slip events"}]},{"@id":"https://cir.nii.ac.jp/crid/1360021391886717440","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Introduction to the Special Section for the Centennial of the Great 1923 Kanto, Japan, 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