{"@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/1362825895443722112.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1046/j.1440-1738.2001.00328.x"}},{"identifier":{"@type":"URI","@value":"http://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1738.2001.00328.x"}},{"identifier":{"@type":"URI","@value":"http://onlinelibrary.wiley.com/wol1/doi/10.1046/j.1440-1738.2001.00328.x/fullpdf"}},{"identifier":{"@type":"DOI","@value":"10.1111/j.1440-1738.2001.00328.x"}},{"identifier":{"@type":"NAID","@value":"10023913079"}}],"dc:title":[{"@value":"Resistivity mapping using the VLF-MT method around surface fault ruptures of the 1995 Hyogo-ken Nanbu earthquake, Japan"}],"description":[{"notation":[{"@value":"<jats:p><jats:bold>Abstract</jats:bold> Distinctive fault ruptures, the Nojima Fault and Ogura Fault, appeared along the northwestern coast of Awaji Island at the time of the 1995 Hyogo‐ken Nanbu earthquake (Kobe earthquake). In order to delineate the shallow resistivity structures around the faults just after they formed, Very Low Frequency Magnetotelluric (VLF‐MT) surveys were made at five sites along the Nojima Fault and at one site along the Ogura Fault. Fourteen transects were made at the one site on the Ogura Fault, and another transect covers the area between the two faults. Changes in apparent resistivity or phase, or both, commonly occur when crossing the surface location of one of the faults, except for the northern transects at OGR‐0 on the Ogura Fault. Apparent resistivity values of less than 100 Ωm were observed for Tertiary and Quaternary sediments and values larger than 200 Ωm for granitic rocks. The resistivity structures are related to the morphological characteristics of the fault ruptures. Remarkably conductive zones (less than 10 Ωm in apparent resistivity and 30–40 m in width) were found where the surface displacement is distinct and prominent along a single fault plane. If remarkably conductive zones were formed at the time of the 1995 Hyogo‐ken Nanbu earthquake, the results provide a good constraint on the dimensions of a conductive zone near the surface that was made by one earthquake. Alternatively, if characteristic resistivity structures existed prior to the earthquake, the conductive zone was probably formed by some tens of earthquakes in relatively modern times. In this case, this phenomenon is inferred to be a concentration of fracturing in a narrow zone and is associated with the formation of clay minerals, which enhance rock conductivity.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1582824500428786178","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000014140053"}],"foaf:name":[{"@value":"Satoru Yamaguchi"}]},{"@id":"https://cir.nii.ac.jp/crid/1582824500428786177","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000014140055"}],"foaf:name":[{"@value":"Takahisa Murakami"}]},{"@id":"https://cir.nii.ac.jp/crid/1582824500428786176","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000014140057"}],"foaf:name":[{"@value":"Hiroo Inokuchi"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"10384871"},{"@type":"EISSN","@value":"14401738"},{"@type":"NCID","@value":"AA10848628"}],"prism:publicationName":[{"@value":"The Island Arc"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2001-09","prism:volume":"10","prism:number":"3-4","prism:startingPage":"296","prism:endingPage":"305"},"reviewed":"false","dc:rights":["http://doi.wiley.com/10.1002/tdm_license_1"],"url":[{"@id":"http://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1440-1738.2001.00328.x"},{"@id":"http://onlinelibrary.wiley.com/wol1/doi/10.1046/j.1440-1738.2001.00328.x/fullpdf"}],"createdAt":"2003-03-12","modifiedAt":"2021-02-04","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004232523426560","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Large heterogeneous structure beneath the Atotsugawa Fault, central Japan, revealed by seismic refraction and reflection 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Electrical Conductivity Structure with the Aid of the Magnetotelluric Method"},{"@language":"ja","@value":"MT法による電気伝導度構造研究の現状"},{"@language":"ja-Kana","@value":"MTホウ ニ ヨル デンキ デンドウド コウゾウ ケンキュウ ノ ゲンジョウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206509745408","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tectonoelectric Signal Related with the Occurrence of the 1995 Hyogo-ken Nanbu Earthquake (M 7.2) and Preliminary Results of Electromagnetic Observation around the Focal Area."},{"@language":"ja-Kana","@value":"Tectonoelectric Signal Related with the"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679214776064","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Fault-Drilling Investigation of Earthquake Slip Behavior and Physicochemical 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t"}]},{"@id":"https://cir.nii.ac.jp/crid/1520290884083321728","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"野島断層における各種物理探査法の適用実験"},{"@language":"ja-Kana","@value":"ノジマ ダンソウ ニ オケル カクシュ ブツリ タンサホウ ノ テキヨウ ジッ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572359059943296","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"活断層調査への物理探査の適用性"},{"@language":"ja-Kana","@value":"カツダンソウ チョウサ エ ノ ブツリ タンサ ノ テキヨウセイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1520572359163934080","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"ヘリコプター空中電磁法とアレイ式CSAMT法による淡路島北部の活断層調査"},{"@language":"ja-Kana","@value":"ヘリコプター クウチュウ デンジホウ ト アレイシキ CSAMTホウ ニヨル"}]},{"@id":"https://cir.nii.ac.jp/crid/1520853834391698048","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@value":"空中電磁探査法の沿岸城への適用性 : 淡路島北西部の例"},{"@language":"ja-Kana","@value":"クウチュウ デンジ タンサホウ ノ エンガンジョウ エ ノ テキヨウセイ : アワジシマ ホクセイブ ノ 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