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Near-fault deformation and Dc″ during the 2016 Mw7.1 Kumamoto earthquake
https://nied-repo.bosai.go.jp/records/3100
https://nied-repo.bosai.go.jp/records/31001dc83d21-a40f-4a12-a235-1d6c053e13c6
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 | Near-fault deformation and Dc″ during the 2016 Mw7.1 Kumamoto earthquake | |||||||||||||
タイトル | ||||||||||||||
言語 | en | |||||||||||||
タイトル | Near-fault deformation and Dc '' during the 2016 Mw7.1 Kumamoto earthquake | |||||||||||||
言語 | ||||||||||||||
言語 | eng | |||||||||||||
著者 |
Eiichi Fukuyama
× Eiichi Fukuyama
× Wataru Suzuki
|
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抄録 | ||||||||||||||
内容記述タイプ | Other | |||||||||||||
内容記述 | An Mw7.1 Kumamoto earthquake occurred at 01:25:05 on April 16, 2016 (JST). The earthquake involved a rupture at a shallow depth along a strike-slip fault with surface breaks. Near-fault ground motion records, especially those of a strike-slip earthquake, can provide us with direct information on the earthquake source process. During the earthquake, near-fault seismograms were obtained at KMMH16 station located about 500 m off the fault. The ground displacements were well recovered from the double numerical integration of accelerograms at KMMH16 both on the surface and at the bottom of the 252-m-deep borehole. Fault-parallel static displacement was estimated to be about 1.1 m from the acceleration waveforms. The Dc '' value, which is defined as double the fault-parallel displacement at peak velocity time, was proposed as a proxy of the slip-weakening distance. Using both the velocity and displacement fault-parallel waveforms, the Dc '' value was estimated at about 1 m. This value was between 30 and 50% of the total slip on the fault, which is consistent with previous observations. | |||||||||||||
言語 | en | |||||||||||||
書誌情報 |
ja : Earth, Planets and Space en : EARTH PLANETS AND SPACE 巻 68, 号 1, 発行日 2016-11 |
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出版者 | ||||||||||||||
言語 | ja | |||||||||||||
出版者 | Springer Nature | |||||||||||||
出版者 | ||||||||||||||
言語 | en | |||||||||||||
出版者 | SPRINGER HEIDELBERG | |||||||||||||
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/s40623-016-0570-6 |