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注水に伴う誘発地震の発生特性: 野島断層注水実験を中心として
http://hdl.handle.net/2297/35097
http://hdl.handle.net/2297/35097c0491337-25c8-49dd-a952-a148b6a0f2b1
名前 / ファイル | ライセンス | アクション |
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SC-PR-HIRAMATSU-Y-268.pdf (1.4 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | 注水に伴う誘発地震の発生特性: 野島断層注水実験を中心として | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Triggering Characteristics of Induced Earthquakes Brief Review of Water Injection Experiments in the Nojima Fault and Other Regions | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
西上, 欽也
× 西上, 欽也× 田所, 敬一× 永井, 悟× 水野, 高志× 加納, 靖之× 平松, 良浩 |
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書誌情報 |
地學雜誌 = Journal of Geography 巻 111, 号 2, p. 268-276, 発行日 2002-01-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0022-135X | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00322536 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.5026/jgeography.111.2_268 | |||||
出版者 | ||||||
出版者 | 東京地学協会 = Tokyo Geographical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | This paper briefly reviews the triggering characteristics of injection-induced seismicity. Water injection experiments were carried out in the Nojima fault, southwest Japan in 1997 and 2000 to detect the healing process of the fault zone after being ruptured by the MJMA 7.3 Hyogo-ken Nanbu (Kobe) earthquake in 1995. During the experiment in 2000, ultramicroearthquakes of M-1.2 to 1.0 were induced at about 2.5-4.5 km from the injection point and about 4-6 days after the beginning of injection. This space-time migration can be explained by a 2-D diffusion process of pore water pressure. Permeability estimated near the surface, at about 540-800 m depth, is extrapolated well to a depth of 2-4 km where induced events occurred. Other experiments at Matsushiro, central Japan and KTB, Germany also showed similar space-time relationships of induced seismicity. From observations in the Nojima experiment, we obtained characteristic states that suggest differences in the generating process between induced and normal (tectonic) earthquakes. Our findings are as follows : (1) high-frequency component is richer in the waveforms of tectonic events, and (2) the clustering of hypocenters is more dominant in induced events. Further analyses of these observations will lead to elucidating the generating process of induced earthquakes by increasing pore water pressure. | |||||
権利 | ||||||
権利情報 | Copyright © 東京地学協会 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://japanlinkcenter.org/JST.Journalarchive/jgeography1889/111.2_268 | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | https://www.jstage.jst.go.jp/article/jgeography1889/111/2/111_2_268/_article/-char/ja/ | |||||
関連URI | ||||||
識別子タイプ | URI | |||||
関連識別子 | http://www.geog.or.jp/ |