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Upper Crustal Structure under the Central Part of Japan : Miyota-Shikishima Profile
https://doi.org/10.15083/0000032780
https://doi.org/10.15083/000003278092e4322d-72a4-4fe2-8dea-08fb1a3866c9
名前 / ファイル | ライセンス | アクション |
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ji0651002.pdf (1.0 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 | Upper Crustal Structure under the Central Part of Japan : Miyota-Shikishima Profile | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
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 | 10.15083/0000032780 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | 日本中部下の上部地殻構造 : 御代野-敷島測線 | |||||
著者 |
Sasatani, Tsutomu
× Sasatani, Tsutomu× Yoshii, Toshikatsu× Ikami, Akira× Tanada, Toshikazu× Nishiki, Tsukasa× Kato, Susumu |
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著者別名 | ||||||
識別子 | 127487 | |||||
識別子Scheme | WEKO | |||||
姓名 | 笹谷, 努 | |||||
著者別名 | ||||||
識別子 | 127488 | |||||
識別子Scheme | WEKO | |||||
姓名 | 吉井, 敏尅 | |||||
著者別名 | ||||||
識別子 | 127489 | |||||
識別子Scheme | WEKO | |||||
姓名 | 伊神, 煇 | |||||
著者別名 | ||||||
識別子 | 127490 | |||||
識別子Scheme | WEKO | |||||
姓名 | 棚田, 俊收 | |||||
著者別名 | ||||||
識別子 | 127491 | |||||
識別子Scheme | WEKO | |||||
姓名 | 西木, 司 | |||||
著者別名 | ||||||
識別子 | 127492 | |||||
識別子Scheme | WEKO | |||||
姓名 | 加藤, 進 | |||||
著者所属 | ||||||
著者所属 | Faculty of Science, Hokkaido University | |||||
著者所属 | ||||||
著者所属 | School of Science, Nagoya University | |||||
著者所属 | ||||||
著者所属 | Faculty of Marine Science and Technology, Tokai University | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In October 1982, a seismic refraction experiment was conducted by the Research Group for Explosion Seismology in the Miyota-Shikishima Profile in Nagano and Yamanashi Prefectures, central Japan. Five shots were fired on the 60 km-long profile. The upper crustal structure derived from travel-time data is simple and has a high velocity gradient; 4.0km/s at the surface to 6.0km/s at about 2.5km depth. Based on the amplitude-distance pattern of the refraction phases, we confirmed the existence of the velocity gradient. A few explosive sources generated clear S waves with amplitudes large enough to be read. We obtained an average POISSON'S ratio of around 0.246 in the uppermost crust from S to P travel time ratios. The other later arrivals were interpreted as reflected phases from a deep interface, the Conrad discontinuity. We modeled the interface shape by the ray-tracing technique. The interface inclines teward the north by about 20°. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 地震予知計画による4度目の爆破地震の実験が, 1982年10月,日本中部の長野県から山梨県にかけての御代田-敷島測線上で行われた. 60kmの測線上の5個所で爆破が行われ,約60点の臨時観測点で観測された.この実験の概要と,得られた記録や走時データなどの基礎的な資料については,すでに報告されている(爆破地震動研究グループ, 1986).ここでは,これらのデータの解析結果について報告する. | |||||
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 65, 号 1, p. 33-48, 発行日 1990-06-30 |
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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 |