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Frictional property of plate interface east off NE Japan inferred from spatial variation in b-value
https://doi.org/10.15083/0000032573
https://doi.org/10.15083/000003257358f053e6-14c9-4f7d-8404-3ec8dd59d736
名前 / ファイル | ライセンス | アクション |
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IHO78109.pdf (1.3MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2007-04-23 | |||||
タイトル | ||||||
タイトル | Frictional property of plate interface east off NE Japan inferred from spatial variation in b-value | |||||
言語 | en | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | AE activity | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | b-value | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | frictional property | |||||
主題Scheme | Other | |||||
キーワード | ||||||
主題 | plate interface | |||||
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 | 10.15083/0000032573 | |||||
ID登録タイプ | JaLC | |||||
その他のタイトル | ||||||
その他のタイトル | b値から推定した東北日本太平洋下プレート境界面の摩擦特性 : 特集「地震発生の物理からみた地震発生帯堀削」 | |||||
著者 |
Yabe, Yasuo
× Yabe, Yasuo |
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著者別名 | ||||||
識別子 | 125805 | |||||
識別子Scheme | WEKO | |||||
姓名 | 矢部, 康男 | |||||
著者所属 | ||||||
著者所属 | Research Center for Prediction of Earthquakes and Volcanic Eruptions, Graduate School of Science, Tohoku University | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Simultaneous evolutions of AE activityon a pre-cut fault and frictional properties of the fault with sliding were observed in a laboratory. The evolutions are probably due to brittle evolution of fault surfaces. It is reported in literature that the b-value of shallow earthquakes east off NE Japan varies with distance from the trench-axis. Because the distance from the trench-axis is regarded as a displacement of the subducting slab, the b-value variation is considered to be a similar phenomenon to the evolution of AE activityin the laboratory. The spatial variation of the b-value is examined to estimate the upper limits of the unstable region on the plate interface. The depths of estimated upper limits are 20km on average, and varylaterallyto depict unstable regions estimated from other seismological and geodetic evidence. The present studysuggests that detailed analyses of high-qualityseismic data provide useful information about the mechanical properties of the plate interface. | |||||
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 78, 号 1, p. 107-111, 発行日 2003 |
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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 | 51.1 | |||||
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 |