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Spatial variation in coda Q around the Nobi fault zone, central Japan: Relation to S-wave velocity and seismicity
https://doi.org/10.24517/00010701
https://doi.org/10.24517/00010701aaacf0dd-6560-4e27-a294-1fbd0b588769
名前 / ファイル | ライセンス | アクション |
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SC-PR-HIRAMATSU-Y-97.pdf (921.0 kB)
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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 | Spatial variation in coda Q around the Nobi fault zone, central Japan: Relation to S-wave velocity and seismicity | |||||
言語 | ||||||
言語 | eng | |||||
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 | |||||
ID登録 | ||||||
ID登録 | 10.24517/00010701 | |||||
ID登録タイプ | JaLC | |||||
著者 |
Tsuji, Sugane
× Tsuji, Sugane× Hiramatsu, Yoshihiro |
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著者別表示 |
平松, 良浩
× 平松, 良浩 |
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書誌情報 |
Earth, Planets and Space 巻 66, 号 1, p. 97, 発行日 2014-12-01 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1343-8832 | |||||
NCID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11211921 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1186/1880-5981-66-97 | |||||
出版者 | ||||||
出版者 | Springer | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We investigate the spatial variation in coda Q around the Nobi fault zone in a high strain rate zone to assess the relation between coda Q, shear wave velocity, and seismicity. Waveform data were obtained from dense seismic observations. Low coda Q that follows the Niigata-Kobe Tectonic Zone in the high strain rate zone is distinct at the lowest frequency band of 1 to 2∈Hz. However, at higher frequencies, such a spatial pattern in coda Q is unclear. A good positive correlation was found between coda Q at the 1- to 2-Hz frequency band and the S-wave velocity perturbation at 25-km depth, which suggests that the coda Q reflects the ductile deformation below the brittle-ductile transition zone. Furthermore, coda Q at the 1- to 2-Hz frequency band correlates negatively with seismicity at 10- to 15-km depth, which implies that there is a high stressing rate in the low coda Q area. These facts, together with results of previous studies, imply that a high deformation rate below the brittle-ductile transition zone produces the high strain rate observed by the Global Positioning System (GPS) on the surface in this region. | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa |