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関東山地「飯能-御坂測線」における稠密自然地震観測
https://doi.org/10.15083/0000032426
https://doi.org/10.15083/00000324262a22e6bf-c78a-405a-b04c-7a7adca08ce2
名前 / ファイル | ライセンス | アクション |
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IHO84301.pdf (1.9MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2016-12-28 | |||||
タイトル | ||||||
タイトル | 関東山地「飯能-御坂測線」における稠密自然地震観測 | |||||
言語 | ja | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題 | Philippine Sea plate | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | Izu collision zone | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | dense seismic array observation | |||||
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 | 10.15083/0000032426 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | Dense Seismic Array Observations Along the Hanno-Misaka Line, Kanto Mountains, Central Japan | |||||
著者 |
蔵下, 英司
× 蔵下, 英司× 佐藤, 比呂志× 阿部, 進× 加藤, 直子 |
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著者別名 | ||||||
識別子 | 72747 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kurashimo, Eiji | |||||
著者別名 | ||||||
識別子 | 72748 | |||||
識別子Scheme | WEKO | |||||
姓名 | Sato, Hiroshi | |||||
著者別名 | ||||||
識別子 | 72749 | |||||
識別子Scheme | WEKO | |||||
姓名 | Abe, Susumu | |||||
著者別名 | ||||||
識別子 | 72750 | |||||
識別子Scheme | WEKO | |||||
姓名 | Kato, Naoko | |||||
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 | (株)地球科学総合研究所 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In central Japan, the Philippine Sea plate (PHS) subducts beneath the Tokyo Metropolitan area in the Kanto region. In the western Kanto region, the Izu-Bonin arc within the PHS has been colliding from the south with the Honshu arc, forming a complex structure called the Izu collision zone (ICZ). The geometry of the subducting PHS and the overlying crustal structure of the ICZ are important to constrain the process of earthquake occurrence. To obtain detailed images of PHS beneath the northern part of the ICZ, dense seismic array observations were carried out along a 60-km-long line between Hanno and Fuefuki trending ENE-WSW. Seventy-six three-component portable seismographs were deployed on the survey line at 500 to 750m intervals, and waveforms were recorded during a four-month period from October 2008. High-quality data were obtained for the analysis using receiver function and seismic interferometry to obtain images of PHS. We relocated 263 local earthquakes with arrival time corrections at each station. The relocated hypocenter distribution shows that a double seismic zone associated with the westward subducting Pacific plate is located at a depth of 100-200km beneath the survey line. The seismicity associated with the northwestward subducting PHS can be traced to a depth of about 30km beneath the Tanzawa Mountains. | |||||
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 84, 号 3, p. 217-227, 発行日 2009 |
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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 | |||||
日本十進分類法 | ||||||
主題 | 51.2 | |||||
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 |