{"created":"2023-07-25T11:04:30.621028+00:00","id":7642,"links":{},"metadata":{"_buckets":{"deposit":"169351cf-a0c4-499b-940b-317e78962f56"},"_deposit":{"created_by":4,"id":"7642","owners":[4],"pid":{"revision_id":0,"type":"depid","value":"7642"},"status":"published"},"_oai":{"id":"oai:nipr.repo.nii.ac.jp:00007642","sets":["1259:906:948"]},"author_link":["2063","12090","11714","12086"],"item_1_alternative_title_5":{"attribute_name":"論文名よみ","attribute_value_mlt":[{"subitem_alternative_title":"ナンキョク チイキ ノ ジシン カツドウ ニホン ナンキョク チイキ カンソクタイ ノ ホウコク"}]},"item_1_biblio_info_14":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1971-12","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"60","bibliographicPageStart":"53","bibliographicVolumeNumber":"42","bibliographic_titles":[{"bibliographic_title":"南極資料"}]}]},"item_1_creator_6":{"attribute_name":"著者名(日)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"神沼, 克伊"},{"creatorName":"カミヌマ, カツタダ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"石田, 瑞穂"},{"creatorName":"イシダ, ミズ","creatorNameLang":"ja-Kana"}],"nameIdentifiers":[{}]}]},"item_1_creator_8":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"KAMINUMA, Katsutada","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"ISHIDA, Mizuho","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_1_description_1":{"attribute_name":"ページ属性","attribute_value_mlt":[{"subitem_description":"P(論文)","subitem_description_type":"Other"}]},"item_1_description_11":{"attribute_name":"抄録(日)","attribute_value_mlt":[{"subitem_description":"世界の地震観測網が整備され,地球上に起こるマグニチュード5以上の地震は,ほとんど観測されるようになった今日でも,南極大陸およびその周辺に震源の決まった地震はない.しかし,南極各基地の地震観測の報告をみると,南極の基地だけにしか観測されないような,小さな地震が起こっているらしい.そこで,USCGSから発行されている\"The Antarctic Seismological Bulletin\"の資料に基づいて,震源の決定を試みた.少なくとも4点以上の基地で観測されているものにつき,その深さを33kmと仮定し,震央と発震時を求めた.震源決定を試みた地震72個のうち,24個の震央のみを,誤差±100km,O-C residual3秒以内で決めることができた.24個の地震のほとんどの震央は,大陸周辺に存在する地震帯の上に決まった.しかし,1個だけではあるが,南極大陸内に震源が決まった地震がある.この震源精度を確かめるために,多くの震源を仮定し,O-C residualの自乗平均値を調べた.その結果,この地震は大陸内20°W, 80°S,深さ1kmに起こり,マグニチュード4.3であることが分かった.現在の地震観測網では,震源を決められない小さな地震が,南極大陸に起こっていることは確実である.","subitem_description_type":"Other"}]},"item_1_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15094/00007642","subitem_identifier_reg_type":"JaLC"}]},"item_1_publisher_22":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"国立極地研究所"}]},"item_1_source_id_13":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AN00181831","subitem_source_identifier_type":"NCID"}]},"item_1_source_id_20":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"00857289","subitem_source_identifier_type":"ISSN"}]},"item_1_subject_21":{"attribute_name":"国際十進分類法","attribute_value_mlt":[{"subitem_subject":"550.34:551.2","subitem_subject_scheme":"UDC"}]},"item_1_text_10":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Earthquake Research Institute, University of Tokyo"},{"subitem_text_language":"en","subitem_text_value":"Earthquake Research Institute, University of Tokyo"}]},"item_1_text_9":{"attribute_name":"著者所属(日)","attribute_value_mlt":[{"subitem_text_value":"東京大学地震研究所"},{"subitem_text_value":"東京大学地震研究所"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"1971-12-01"}],"displaytype":"detail","filename":"KJ00002476642.pdf","filesize":[{"value":"820.3 kB"}],"format":"application/pdf","licensetype":"license_6","mimetype":"application/pdf","url":{"label":"KJ00002476642","url":"https://nipr.repo.nii.ac.jp/record/7642/files/KJ00002476642.pdf"},"version_id":"3b587309-8317-4c76-85f8-df87cc948c1c"}]},"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":"南極地域の地震活動(日本南極地域観測隊の報告)","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"南極地域の地震活動(日本南極地域観測隊の報告)"},{"subitem_title":"Earthquake Activity in Antarctica (Reports of the Japanese Antarctic Research Expedition)","subitem_title_language":"en"}]},"item_type_id":"1","owner":"4","path":["948"],"pubdate":{"attribute_name":"公開日","attribute_value":"1971-12-01"},"publish_date":"1971-12-01","publish_status":"0","recid":"7642","relation_version_is_last":true,"title":["南極地域の地震活動(日本南極地域観測隊の報告)"],"weko_creator_id":"4","weko_shared_id":4},"updated":"2023-07-25T11:53:58.806228+00:00"}