{"created":"2021-03-01T06:52:54.357703+00:00","id":34054,"links":{},"metadata":{"_buckets":{"deposit":"c417a349-88d3-4376-b652-2256e6ac0519"},"_deposit":{"id":"34054","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"34054"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00034054","sets":["80:4535:5057:5061","9:504:4538:5059:5062"]},"author_link":["82183","82184","82185","82180","82181","82182"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"22. 伊豆大島三原山昭和25年及26年の噴火 : その2 昭和26年の噴火(A)第2期の活動"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1954-10-30","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"3","bibliographicPageEnd":"312","bibliographicPageStart":"289","bibliographicVolumeNumber":"32","bibliographic_titles":[{"bibliographic_title":"東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo"}]}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"伊豆大島三原山の昭和26年の噴火は,2月4日開始,4月1日頃まで約2ケ月間,連続噴火し,小休止ののち,更に間歇的噴火を繰返して6月28日に終った.2月及び3月の噴火は,昭和25年,26年の噴火期間を通じての最高潮であった.われわれは,この連続噴火を,第2期の活動として,前回詳述した昭和25年7月16日-9月23日の第1期の活動［地震研究所彙報32号,第1冊,35-66頁1及び,4月2日以降6月28日に至る第3期の活動と区別して,ここにその噴火経過を詳しく記述した.第2期の噴火は,三原火口の西半で行われた.とくに,前年の噴火によって生じた噴石丘頂上附近から,火口北西縁に至る,南東-北西方向の裂線に沿って演ぜられた(第72-73図参照),すなわち,爆発的活動は,噴石丘西側火口底に形成された熔岩々滴丘の活動に始まって,噴石丘頂上火孔の定常的爆発活動へと,南京に移行し,一方,熔岩の溢流は,熔岩々滴丘よりの流出に出発して,火口北西線に沿う火孔群から長期にわたって溢流するようになる.この結果,火口原(カルデラ底)北西に拡がる熔岩原が形成された(第120図).この期の終りに,噴火は,火口の東半に移り,次期活動の前駆と見なされる,火口北東隅からの熔岩溢泣かはじまる(第73図b).この月間を通じて,火口中央の噴石丘をも含めて,火口底の西半は,局部的及び一時的沈下はあったが,全般的に,上昇を続け,3月下旬活動休止後急激に沈下した.この火口底の上昇,沈下は,それぞれ,岩漿の上昇と,熔岩溢出によるガス圧の低下によるものである.火山微動の盛衰も,この火口における噴火の消長と,きわめてよく調和していた(未完).","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"82183","nameIdentifierScheme":"WEKO"}],"names":[{"name":"津屋, 弘逵"}]},{"nameIdentifiers":[{"nameIdentifier":"82184","nameIdentifierScheme":"WEKO"}],"names":[{"name":"森本, 良平"}]},{"nameIdentifiers":[{"nameIdentifier":"82185","nameIdentifierScheme":"WEKO"}],"names":[{"name":"小坂, 丈予"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000034054","subitem_identifier_reg_type":"JaLC"}]},"item_4_publisher_20":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"東京大学地震研究所"}]},"item_4_source_id_10":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN00162258","subitem_source_identifier_type":"NCID"}]},"item_4_source_id_8":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00408972","subitem_source_identifier_type":"ISSN"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"453","subitem_subject_scheme":"NDC"}]},"item_4_text_21":{"attribute_name":"出版者別名","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_4_text_4":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Tsuya, Hiromichi"}],"nameIdentifiers":[{"nameIdentifier":"82180","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Morimoto, Ryohei"}],"nameIdentifiers":[{"nameIdentifier":"82181","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"Ossaka, Joyo"}],"nameIdentifiers":[{"nameIdentifier":"82182","nameIdentifierScheme":"WEKO"}]}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"2017-06-13"}],"displaytype":"detail","filename":"ji0323006.pdf","filesize":[{"value":"6.2 MB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0323006.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/34054/files/ji0323006.pdf"},"version_id":"bcacb8b1-031e-4668-8db4-461bc4e34ef8"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"22. The 1950-1951 Eruptions of Mt. Mihara, Oshima Volcano, Seven Izu Islands, Japan. : Part II. The 1951 eruption. : A. Activity of the second period","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"22. The 1950-1951 Eruptions of Mt. Mihara, Oshima Volcano, Seven Izu Islands, Japan. : Part II. The 1951 eruption. : A. Activity of the second period","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["5061","5062"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2012-08-09"},"publish_date":"2012-08-09","publish_status":"0","recid":"34054","relation_version_is_last":true,"title":["22. The 1950-1951 Eruptions of Mt. Mihara, Oshima Volcano, Seven Izu Islands, Japan. : Part II. The 1951 eruption. : A. Activity of the second period"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T04:09:06.073172+00:00"}