{"created":"2021-03-01T06:52:13.881400+00:00","id":33449,"links":{},"metadata":{"_buckets":{"deposit":"06665038-ae49-40b0-8e4b-856f5b042067"},"_deposit":{"id":"33449","owner":"1","owners":[],"pid":{"revision_id":0,"type":"depid","value":"33449"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00033449","sets":["80:4535:4913:4923","9:504:4538:4915:4924"]},"author_link":["130654","130653"],"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"11.昭和39年6月16日新潟地震余震観測"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1968-06-20","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"2","bibliographicPageEnd":"221","bibliographicPageStart":"205","bibliographicVolumeNumber":"46","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_13":{"attribute_name":"フォーマット","attribute_value_mlt":[{"subitem_description":"application/pdf","subitem_description_type":"Other"}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"昭和39年6月16日13時1分頃,新潟県北部西方沖(粟島南方)に,マグニチュード7.5の地震が発生し,新潟市付近から山形県南部にかけて被害を生じた.地震研究所から余震観測班が送られ,新潟県新発田,村上,山形県小国及び,震央に近い粟島で観測が行われた.加速度計とHE8 1-0.2電磁式地震計が用いられ,極めて多数の余震が観測された.小国では,6月28日から8月1日まで,39日間観測が行われ,この結果から,余震回数がn(t)=Nt-hに従つて減少するものとすると,hは1.6となり,余震回数の減少が急激であつたことがわかる.余震域のほぼ中央にある粟島で,P-S時間1.0秒以内の余震が少なかつたことは,余震が比較的深いところで起つていたことを示している.震央域から250km離れた筑波地震観測所のAnderson-Wood地震計及びHES1-1地震計の記象から,550個の余震のマグニチュードが決定された.マグニチュード3.6以上の余震は,全てマグニチュードが決定された.余震のエネルギーの2/3以上が,本震後12時間以内に放出された.","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"130654","nameIdentifierScheme":"WEKO"}],"names":[{"name":"余震観測班"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/0000033449","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":"the Parties for Aftershock Observation"}],"nameIdentifiers":[{"nameIdentifier":"130653","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":"2017-06-26"}],"displaytype":"detail","filename":"ji0462002.pdf","filesize":[{"value":"953.2 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"ji0462002.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/33449/files/ji0462002.pdf"},"version_id":"c1a5079a-4f57-4814-990e-ddb35b8d7f69"}]},"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":"11. Observation of Aftershocks of the Nugata Earthquake of June 16, 1964","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"11. Observation of Aftershocks of the Nugata Earthquake of June 16, 1964","subitem_title_language":"en"}]},"item_type_id":"4","owner":"1","path":["4923","4924"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2008-05-30"},"publish_date":"2008-05-30","publish_status":"0","recid":"33449","relation_version_is_last":true,"title":["11. Observation of Aftershocks of the Nugata Earthquake of June 16, 1964"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2022-12-19T04:37:51.509333+00:00"}