{"created":"2021-03-01T06:50:42.468309+00:00","id":32075,"links":{},"metadata":{"_buckets":{"deposit":"40af8925-30bd-442d-a927-219c5d67ef28"},"_deposit":{"id":"32075","owners":[],"pid":{"revision_id":0,"type":"depid","value":"32075"},"status":"published"},"_oai":{"id":"oai:repository.dl.itc.u-tokyo.ac.jp:00032075","sets":["80:4411:4417","9:504:4413:4418"]},"item_4_alternative_title_1":{"attribute_name":"その他のタイトル","attribute_value_mlt":[{"subitem_alternative_title":"Changes in Number of Earthquakes Ovserved at Tsukuba Seismological Observatory"}]},"item_4_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1974-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"180","bibliographicPageStart":"177","bibliographicVolumeNumber":"12","bibliographic_titles":[{"bibliographic_title":"地震研究所研究速報"}]}]},"item_4_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"筑波地震観測所(MTJ)では,HES 1-02型(Vmax.=150,000)により,S-P時間別による微小地震の回数を読取っている.今回は,1969年8月~1973年10月の地震回数変化について報告する.","subitem_description_type":"Abstract"},{"subitem_description":"The frequency of microearthquakes observed by HES 1-0.2 electromagnetic seismograph (Vmax.=150,000) at Tsukuba Seismological Observatory (MTJ) was investigated for different interval of S-P time for the period from August 1969 to October 1973. The frequency of microearthquakes are stationary with some fluctuations for the intervals (A-H), however it shows a decreasing tendency for the interval lc). Abnormal events such as earthquake swarm and aftershock activities are clearly observed in Fig.1, (B), (C) and (E).","subitem_description_type":"Abstract"}]},"item_4_full_name_3":{"attribute_name":"著者別名","attribute_value_mlt":[{"nameIdentifiers":[{"nameIdentifier":"71185","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Iwata, Takayuki"}]},{"nameIdentifiers":[{"nameIdentifier":"71186","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Watanabe, Masao"}]},{"nameIdentifiers":[{"nameIdentifier":"71187","nameIdentifierScheme":"WEKO"}],"names":[{"name":"Watanabe, Tadao"}]}]},"item_4_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15083/00032066","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":"AN10165194","subitem_source_identifier_type":"NCID"}]},"item_4_subject_15":{"attribute_name":"日本十進分類法","attribute_value_mlt":[{"subitem_subject":"051.1","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":"地震研究所"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"岩田, 孝行"}],"nameIdentifiers":[{"nameIdentifier":"71182","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"渡辺, 政雄"}],"nameIdentifiers":[{"nameIdentifier":"71183","nameIdentifierScheme":"WEKO"}]},{"creatorNames":[{"creatorName":"渡辺, 唯夫"}],"nameIdentifiers":[{"nameIdentifier":"71184","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":"2017-06-12"}],"displaytype":"detail","filename":"jis0120014.pdf","filesize":[{"value":"196.4 kB"}],"format":"application/pdf","licensetype":"license_note","mimetype":"application/pdf","url":{"label":"jis0120014.pdf","url":"https://repository.dl.itc.u-tokyo.ac.jp/record/32075/files/jis0120014.pdf"},"version_id":"b11a3715-65e0-41ed-bd7c-e9874441d90f"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"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":"筑波地震観測所における地震回数の変化","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"筑波地震観測所における地震回数の変化"}]},"item_type_id":"4","owner":"1","path":["4417","4418"],"pubdate":{"attribute_name":"公開日","attribute_value":"2010-12-22"},"publish_date":"2010-12-22","publish_status":"0","recid":"32075","relation_version_is_last":true,"title":["筑波地震観測所における地震回数の変化"],"weko_creator_id":"1","weko_shared_id":null},"updated":"2022-12-19T04:08:24.606294+00:00"}