WEKO3
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九州東部の人工地震観測から推定された地殻構造
https://doi.org/10.15083/0000032583
https://doi.org/10.15083/0000032583fc1cee73-576e-4c06-8fa1-8c7a797cba41
名前 / ファイル | ライセンス | アクション |
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ji0773006.pdf (1.7 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2008-05-30 | |||||
タイトル | ||||||
タイトル | 九州東部の人工地震観測から推定された地殻構造 | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | refraction exploration | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | crustal structure | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | accretion sediments | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Kyusyu | |||||
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 | 10.15083/0000032583 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | Crustal structure beneath eastern Kyushu, Japan, derived from a wide-angle reflection and refraction experiment | |||||
著者 |
安藤, 誠
× 安藤, 誠× 森谷, 武男× 岩崎, 貴哉× 武田, 哲也× 朴, 成実× 酒井, 慎一× 飯高, 隆× 久保, 篤規× 宮町, 宏樹× 田代, 勝也× 松島, 健× 鈴木, 貞臣 |
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著者別名 | ||||||
識別子 | 125946 | |||||
識別子Scheme | WEKO | |||||
姓名 | Ando, Makoto | |||||
著者別名 | ||||||
識別子 | 125947 | |||||
識別子Scheme | WEKO | |||||
姓名 | Moriya, Takeo | |||||
著者別名 | ||||||
識別子 | 125948 | |||||
識別子Scheme | WEKO | |||||
姓名 | Iwasaki, Takaya | |||||
著者別名 | ||||||
識別子 | 125949 | |||||
識別子Scheme | WEKO | |||||
姓名 | Takeda, Tetsuya | |||||
著者別名 | ||||||
識別子 | 125950 | |||||
識別子Scheme | WEKO | |||||
姓名 | Piao, Chengshi | |||||
著者別名 | ||||||
識別子 | 125951 | |||||
識別子Scheme | WEKO | |||||
姓名 | Sakai, Shin'ichi | |||||
著者別名 | ||||||
識別子 | 125952 | |||||
識別子Scheme | WEKO | |||||
姓名 | Iidaka, Takashi | |||||
著者別名 | ||||||
識別子 | 125953 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kubo, Atsuki | |||||
著者別名 | ||||||
識別子 | 125954 | |||||
識別子Scheme | WEKO | |||||
姓名 | Miyamachi, Hiroki | |||||
著者別名 | ||||||
識別子 | 125955 | |||||
識別子Scheme | WEKO | |||||
姓名 | Tashiro, Katsuya | |||||
著者別名 | ||||||
識別子 | 125956 | |||||
識別子Scheme | WEKO | |||||
姓名 | Matsushima, Takeshi | |||||
著者別名 | ||||||
識別子 | 125957 | |||||
識別子Scheme | WEKO | |||||
姓名 | Suzuki, Sadaomi | |||||
著者所属 | ||||||
著者所属 | 北海道大学大学院理学研究科 | |||||
著者所属 | ||||||
著者所属 | 応用地質株式会社愛媛支店 | |||||
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 | 防災科学技術研究所 | |||||
著者所属 | ||||||
著者所属 | 鹿児島大学理学部 | |||||
著者所属 | ||||||
著者所属 | 九州大学大学院理学研究院 | |||||
著者所属 | ||||||
著者所属 | システムラボラトリー株式会社 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In 1994 and 1996, seismic refraction experiments were executed in the eastern part of Kyushu, Japan, he target of the experiments was to investigate the crustal structure composed of accretion materials associated with the paleo subduction process. The experiment in 1994 was composed of 3 shots, 195 observation stes, and 195 km measurement line. In the 1996 experiment, there were 3 shots, 236 observation sites, and 228 km measurement line, which extended north. Observation sensors were set at the same places except for the extended line of the second experiment. To establish a P wave crustal structure model, ray-trace forward modeling and inversion technique were used. The final P wave velocity structure model shows that the upper crust is composed of four layers: two sedimentary layers with velocities of 3-4 and 4-5km/s, basement layer, 5.2-5.8 km/s and granitic layer, 6 km/s. The sedimentary layers developed in the southern part of the profile, which corresponds to the North and South Shimant belts. The thickness of the sedimentary layers in the Southern Shimant belt, exceeds 4 km. The basement layer has a complicated form. We found two distinct irregularly folded parts of the basement layer beneath Shimant belts and an abrupt decrease of the amplitudes of seismic waves that pass through beneath those parts. We interpreted the sedimentary layers had developed under a subduction process in Cretaceous (Izanagi plate) and Tertiary (Pacific plate), and the 6 km/s layer rising beneath the Shimant belt might correspond to an under-plating fragment of a plateau. | |||||
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 77, 号 3, p. 277-285, 発行日 2003-01-31 |
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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 | 453 | |||||
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 |