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1968年十勝沖地震の北側アスペリティ近傍に発生した地震(2001年8月14日,MW6.4)の余効すべり
https://doi.org/10.15083/0000032553
https://doi.org/10.15083/0000032553e9296e91-adb3-4af2-8b07-0c25972d138b
名前 / ファイル | ライセンス | アクション |
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IHO78302.pdf (3.9MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-04-23 | |||||
タイトル | ||||||
タイトル | 1968年十勝沖地震の北側アスペリティ近傍に発生した地震(2001年8月14日,MW6.4)の余効すべり | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | post-seismic deformation | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | afterslip | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Tokachi-oki earthquake | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | asperity | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | plate coupling | |||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15083/0000032553 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | Afterslip of the 14. August 2001 Earthquake (MW 6.4) Occurring Near the Northern Asperity of the 1968 Tokachi-oki Earthquake off the Pacific Coast of Northern Honshu, Japan | |||||
著者 |
佐藤, 魂夫
× 佐藤, 魂夫× 今西, 和俊× 加藤, 尚之× 鷺谷, 威 |
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著者別名 | ||||||
識別子 | 125578 | |||||
識別子Scheme | WEKO | |||||
姓名 | Sato, Tamao | |||||
著者別名 | ||||||
識別子 | 125579 | |||||
識別子Scheme | WEKO | |||||
姓名 | Imanishi, Kazutoshi | |||||
著者別名 | ||||||
識別子 | 125580 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kato, Naoyuki | |||||
著者別名 | ||||||
識別子 | 125581 | |||||
識別子Scheme | WEKO | |||||
姓名 | Sagiya, Takeshi | |||||
著者所属 | ||||||
著者所属 | 弘前大学 | |||||
著者所属 | ||||||
著者所属 | Faculty of Science and Technology, Hirosaki University | |||||
著者所属 | ||||||
著者所属 | 産業技術総合研究所 | |||||
著者所属 | ||||||
著者所属 | National Institute of Advanced Science and Technology | |||||
著者所属 | ||||||
著者所属 | 東京大学地震研究所 | |||||
著者所属 | ||||||
著者所属 | Earthquake Research Institute, University of Tokyo | |||||
著者所属 | ||||||
著者所属 | 国土地理院 | |||||
著者所属 | ||||||
著者所属 | Geographical Survey Institute | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We investigated the rupture process of 2001 August 14 earthquake (MJ 6.2) that occurred at the eastern tip of a seismic gap off the Pacific coast of Aomori, northern Honshu, Japan. An average slip of 11cm on a fault size of 25×35km^2(MW=6.4) was estimated as the coseismic slip by inverting waveform data recorded by the K-Net. A detailed analysis of daily site positions of GPS stations from GEONET allowed us to find post-seismic horizontal displacements of several millimeters with a decaying-time constant of 2.2 months. The post-seismic deformation was explained by an afterslip that took place mainly on the northern periphery of the northern asperity of the 1968 Tokachi-oki earthquake (Mw 8.2). The seismic moment of the afterslip is estimated to be about three times greater (MW 6.7) than that of the coseismic slip. We infer that the afterslip has increased the earthquakegenerating stress in the northern asperity that has been considered a seismic gap since the occurrence of the 1994 Sanriku-haruka-oki earthquake (Mw 7.6). This slow event was not accompanied by any salient seismic activity. | |||||
書誌情報 |
東京大學地震研究所彙報 = Bulletin of the Earthquake Research Institute, University of Tokyo 巻 78, 号 3, p. 227-243, 発行日 2003 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00408972 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00162258 | |||||
フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
日本十進分類法 | ||||||
主題 | 51.1 | |||||
主題Scheme | NDC | |||||
出版者 | ||||||
出版者 | 東京大学地震研究所 | |||||
出版者別名 | ||||||
Earthquake Research Institute, University of Tokyo |