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南海トラフから沈み込むフイリピン海プレートのP波速度構造と西南・中部日本の地震活動および火山活動
https://doi.org/10.15083/0000032638
https://doi.org/10.15083/0000032638e8b07c15-c9db-4396-ac7a-d7b29c1105d1
名前 / ファイル | ライセンス | アクション |
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ji0753002.pdf (4.8 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 | 南海トラフから沈み込むフイリピン海プレートのP波速度構造と西南・中部日本の地震活動および火山活動 | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | 3-D structure | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Philippine Sea plate | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | subduction | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Nankai trough | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Quaternary volcanoes | |||||
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 | 10.15083/0000032638 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | P-wave velocity structure of the Philippine Sea plate subducting from the Nankai trough and its relation with seismicity and volcanism in Southwestern and Central Japan | |||||
著者 |
山根, 隆弘
× 山根, 隆弘× 中西, 一郎× 神谷, 眞一郎 |
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著者別名 | ||||||
識別子 | 126477 | |||||
識別子Scheme | WEKO | |||||
姓名 | Yamane, Takahiro | |||||
著者別名 | ||||||
識別子 | 126478 | |||||
識別子Scheme | WEKO | |||||
姓名 | Nakanishi, Ichiro | |||||
著者別名 | ||||||
識別子 | 126479 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kamiya, Shin-ichiro | |||||
著者所属 | ||||||
著者所属 | 京都大学大学院理学研究科 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We derive a three-dimensional P-wave velocity structure beneath the Japanese Islands through a tomographic inversion of travel time data of the Seismological Bulletin of the Japan Meteorological Agency (JMA) during the period from October 1994 to September 1997. We use 53,230 arrival time data from 1,180 earthquakes observed at 220 JMA stations to obtain velocity anomalies, corrections to source parameters, and station corrections. We find high-velocity anomalies indicating the Philippine Sea plate subducting from the Nankai trough in the Shikoku, Chugoku, Kinki and Chubu regions, and low-velocity anomalies of the oceanic crust at the top of the subducting Philippine Sea plate beneath the Kii peninsula. The Philippine Sea plate subducting from the Nankai trough has reached the upper mantle beneath the coast of the Japan Sea and the region where Quaternary volcanoes are observed, although few subcrustal earthquakes occur near the leading edge of the subducting Philippine Sea plate. Low-velocity anomalies are found beneath these volcanoes, and the low-velocity anomalies are underlaid by the high-velocity anomalies of the Philippine Sea plate. We can suggest that these volcanoes are rooted in the magma generated by the subduction of the Philippine Sea plate. The Philippine Sea plate subducting from the Nankai trough may be divided into at least four segments: the Nankaido region, the western and eastern parts of the Kii peninsula, and the Tokaido region, and this segmentation may have a significant influence on the recurrence of great earthquakes along the Nankai trough. | |||||
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 75, 号 3-4, p. 335-374, 発行日 2001-03-29 |
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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 |