{"created":"2023-03-31T02:44:34.915115+00:00","id":5862,"links":{},"metadata":{"_buckets":{"deposit":"0f7e397a-a5c2-4545-b24e-3991f0db7398"},"_deposit":{"id":"5862","owners":[1],"pid":{"revision_id":0,"type":"depid","value":"5862"},"status":"published"},"_oai":{"id":"oai:nied-repo.bosai.go.jp:00005862","sets":[]},"author_link":[],"item_10001_biblio_info_7":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"2006-03-31","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"4","bibliographicPageEnd":"443","bibliographicPageStart":"427","bibliographicVolumeNumber":"58","bibliographic_titles":[{"bibliographic_title":"地震. 2輯","bibliographic_titleLang":"ja"},{"bibliographic_title":"Zisin (Journal of the Seismological Society of Japan. 2nd ser.)","bibliographic_titleLang":"en"}]}]},"item_10001_description_5":{"attribute_name":"抄録","attribute_value_mlt":[{"subitem_description":"The 2004 Mid Niigata Prefecture earthquake (<i>M<sub>J</sub></i>6.8) that occurred on October 23, 2004 is the 2nd largest intra-plate earthquake after F-net, the broadband seismograph network of the National Research Institute for Earth Science and Disaster Prevention (NIED) was established with a dense and homogeneous distribution all over Japan. We determined moment tensor solutions of the main shock, aftershocks, and earthquakes occurred around mid Niigata prefecture from January 1997 to October 22, 2004, using a surface wave with an extended method of the NIED F-net routine processing. The horizontal distance to the station is rounded to the nearest interval of 1km, and the variance reduction approach is applied to a focal depth from 2km with an interval of 1km. We obtain the moment tensors of 117 events with <i>M<sub>J</sub></i> exceeding 2.8 and spatial distribution of these moment tensors. The focal mechanism of main shock, aftershocks, earthquakes before main shock, is mainly of the reverse fault type with P axes trending WNW-ESE. But the focal mechanism of 15 percent aftershocks is the strike-slip type. There are high dip angle reverse faults, in deep part, and low dip angle reverse faults in shallow part.","subitem_description_language":"ja","subitem_description_type":"Other"},{"subitem_description":"The 2004 Mid Niigata Prefecture earthquake (<i>M<sub>J</sub></i>6.8) that occurred on October 23, 2004 is the 2nd largest intra-plate earthquake after F-net, the broadband seismograph network of the National Research Institute for Earth Science and Disaster Prevention (NIED) was established with a dense and homogeneous distribution all over Japan. We determined moment tensor solutions of the main shock, aftershocks, and earthquakes occurred around mid Niigata prefecture from January 1997 to October 22, 2004, using a surface wave with an extended method of the NIED F-net routine processing. The horizontal distance to the station is rounded to the nearest interval of 1km, and the variance reduction approach is applied to a focal depth from 2km with an interval of 1km. We obtain the moment tensors of 117 events with <i>M<sub>J</sub></i> exceeding 2.8 and spatial distribution of these moment tensors. The focal mechanism of main shock, aftershocks, earthquakes before main shock, is mainly of the reverse fault type with P axes trending WNW-ESE. But the focal mechanism of 15 percent aftershocks is the strike-slip type. There are high dip angle reverse faults, in deep part, and low dip angle reverse faults in shallow part.","subitem_description_language":"en","subitem_description_type":"Other"}]},"item_10001_publisher_8":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"公益社団法人 日本地震学会","subitem_publisher_language":"ja"},{"subitem_publisher":"SEISMOLOGICAL SOCIETY OF JAPAN","subitem_publisher_language":"en"}]},"item_10001_relation_14":{"attribute_name":"DOI","attribute_value_mlt":[{"subitem_relation_type_id":{"subitem_relation_type_id_text":"10.4294/zisin1948.58.4_427"}}]},"item_10001_source_id_9":{"attribute_name":"ISSN","attribute_value_mlt":[{"subitem_source_identifier":"0037-1114","subitem_source_identifier_type":"ISSN"}]},"item_creator":{"attribute_name":"著者","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"松本 拓己","creatorNameLang":"ja"},{"creatorName":"MATSUMOTO Takumi","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"伊藤 喜宏","creatorNameLang":"ja"},{"creatorName":"ITO Yoshihiro","creatorNameLang":"en"}]},{"creatorNames":[{"creatorName":"松林 弘智","creatorNameLang":"ja"},{"creatorName":"MATSUBAYASHI Hirotoshi","creatorNameLang":"en"}]}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_title":"2004年10月23日新潟県中越地震の F-net モーメントテンソル解の空間分布","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"2004年10月23日新潟県中越地震の F-net モーメントテンソル解の空間分布","subitem_title_language":"ja"},{"subitem_title":"Spatial Distribution of F-net Moment Tensor Solutions of the Mid Niigata Prefecture Earthquake in 2004","subitem_title_language":"en"}]},"item_type_id":"40001","owner":"1","path":["1670839190650"],"pubdate":{"attribute_name":"PubDate","attribute_value":"2023-03-30"},"publish_date":"2023-03-30","publish_status":"0","recid":"5862","relation_version_is_last":true,"title":["2004年10月23日新潟県中越地震の F-net モーメントテンソル解の空間分布"],"weko_creator_id":"1","weko_shared_id":-1},"updated":"2023-06-08T09:31:43.555581+00:00"}