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アイテム
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東海地域に沈み込んだフィリピン海スラブの形状と地震活動
https://doi.org/10.15083/0000032669
https://doi.org/10.15083/00000326695f97b02a-b0cd-4c0c-841d-995e79853ca9
名前 / ファイル | ライセンス | アクション |
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ji0733003.pdf (1.4 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 | 東海地域に沈み込んだフィリピン海スラブの形状と地震活動 | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | Tokai region | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Philippine Sea slab | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | gradient vector | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | seismic activity | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | seismogenic stress | |||||
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 | 10.15083/0000032669 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | Configuration of the Philippine Sea Slab and the Seismic Activity in the Tokai Region | |||||
著者 |
原田, 智史
× 原田, 智史× 吉田, 明夫× 明田川, 保 |
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著者別名 | ||||||
識別子 | 126693 | |||||
識別子Scheme | WEKO | |||||
姓名 | Harada, Satoshi | |||||
著者別名 | ||||||
識別子 | 126694 | |||||
識別子Scheme | WEKO | |||||
姓名 | Yoshida, Akio | |||||
著者別名 | ||||||
識別子 | 126695 | |||||
識別子Scheme | WEKO | |||||
姓名 | Aketagawa, Tamotsu | |||||
著者所属 | ||||||
著者所属 | 気象研究所地震火山研究部 | |||||
著者所属 | ||||||
著者所属 | 気象庁地震火山部 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The configuration of the Philippine Sea plate subducted under the Tokai region has been investigated using JMA hypocentral data in recent years. Characteristics of the shape obtained by this study are almost the same as the previously proposed models based on seismic data of Nagoya University and NIED, respectively, for the region to the east of Ise Bay. That is, in the area to the west of Suruga Bay, the slab deepens to the west, while it inclines to the north around Lake Hamana, and a valley-like configuration is observed near Omaezaki Point and its north-west region. The deepest portion of the Tokai slab exists beneath southeastern Gifu Prefecture. We calculated the gradient vector of the subducting slab at each point on the surface using the shape of the model. By comparing the gradient vector field with the seismicity in the slab, we found a coincidence between the regions of high seismicity and the zones where the gradient vector changes greatly. This coincidence suggests the relevance between the bending of the Philippine Sea plate and the occurrence of earthquakes in the slab. On the basis of the observation we propose that one of the main causes generating seismogenic stress in the slab in the Tokai region is conformation of the Philippine Sea plate to the shape of the subducted slab in the course of plate motion. | |||||
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 73, 号 3-4, p. 291-304, 発行日 1999-03-29 |
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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 |