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Three dimensional velocity structure around aftershock area of the 2004 mid Niigata prefecture earthquake (M6.8) by the Double-Difference tomography
https://nied-repo.bosai.go.jp/records/4990
https://nied-repo.bosai.go.jp/records/4990ebe9fcc1-8b4f-45c5-8084-17c24121ab89
Item type | researchmap(1) | |||||||||||||||||||||||||||||
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公開日 | 2023-03-30 | |||||||||||||||||||||||||||||
タイトル | ||||||||||||||||||||||||||||||
言語 | ja | |||||||||||||||||||||||||||||
タイトル | Three dimensional velocity structure around aftershock area of the 2004 mid Niigata prefecture earthquake (M6.8) by the Double-Difference tomography | |||||||||||||||||||||||||||||
タイトル | ||||||||||||||||||||||||||||||
言語 | en | |||||||||||||||||||||||||||||
タイトル | Three dimensional velocity structure around aftershock area of the 2004 mid Niigata prefecture earthquake (M6.8) by the Double-Difference tomography | |||||||||||||||||||||||||||||
言語 | ||||||||||||||||||||||||||||||
言語 | eng | |||||||||||||||||||||||||||||
著者 |
Masayuki Korenaga
× Masayuki Korenaga
× Satoshi Matsumoto
× Yoshihisa Iio
× Takeshi Matsushima
× Kenji Uehira
× Takuo Shibutani
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抄録 | ||||||||||||||||||||||||||||||
内容記述タイプ | Other | |||||||||||||||||||||||||||||
内容記述 | The 2004 mid Niigata prefecture earthquake with M6.8 occurred in the north of central part of Japan. It was a reverse fault by the regional compression stress field in NW-SE direction. Several aftershocks with M?6 were occurred. The large aftershocks occurred on plural fault planes. The plane was either parallel or normal to the main shock one. We estimated three dimensional velocity structures in and around the focal area of the earthquake by using a Double Difference tomography method. The arrival time data were picked from seismograms at the deployed seismic stations settled by Kyoto and Kyushu universities in collaboration, NIED, ERI, and JMA. The velocity structure showed that a low velocity zone existed in the northwest part of the aftershock area. On the contrary, the velocity in the southeast became high. Moreover, the fault plane of the main shock inferred from the aftershock distribution was located at the velocity boundary. Copyright c The Society of Geomagnetism and Earth, Planetary and Space Sciences (SGEPSS) The Seismological Society of Japan The Volcanological Society of Japan The Geodetic Society of Japan The Japanese Society for Planetary Sciences. |
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言語 | en | |||||||||||||||||||||||||||||
書誌情報 |
ja : Earth, Planets and Space en : Earth, Planets and Space 巻 57, 号 5, p. 429-433, 発行日 2005 |
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言語 | en | |||||||||||||||||||||||||||||
出版者 | Springer Berlin | |||||||||||||||||||||||||||||
ISSN | ||||||||||||||||||||||||||||||
収録物識別子タイプ | ISSN | |||||||||||||||||||||||||||||
収録物識別子 | 1880-5981 | |||||||||||||||||||||||||||||
DOI | ||||||||||||||||||||||||||||||
関連識別子 | 10.1186/BF03351829 |