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Article
Open AccessSolidified magma reservoir derived from active source seismic experiments in the Aira caldera, southern Kyushu, Japan
The Aira caldera, located in southern Kyushu, Japan, originally formed 100 ka, and its current shape reflects the more recent 30 ka caldera-forming eruptions (hereafter, called the AT eruptions). This study ai...
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Chapter and Conference Paper
Thrust Force Characteristics of Propulsion Mechanism in Fluid Using Fin with Dynamic Variable-Effective-Length Spring
We aimed to develop a propulsion mechanism using a variablebending-stiffness fin of which stiffness can be changed dynamically. As the one such variable-stiffness fin, we have developed a fin with a variableef...
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Article
Open AccessSource processes of the 2005 West Off Fukuoka Prefecture earthquake and its largest aftershock inferred from strong motion and 1-Hz GPS data
We simultaneously inverted strong motion and 1-Hz GPS data recorded during the 2005 west off Fukuoka prefecture earthquake (MJMA 7.0) for its source process. The data at a GPS station near the source region provi...
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Article
Open AccessSource process of the 1923 Kanto earthquake inferred from historical geodetic, teleseismic, and strong motion data
The historical geodetic and teleseismic data are jointly inverted for the rupture process of the 1923 Kanto earthquake together with the strong motion data recently discovered. The resultant slip distribution ...
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Article
Polarization anomalies of Love waves observed in and around Japan
Polarization anomalies of Love waves, sometimes called quasi-Love waves, are likely to be caused by lateral variations of azimuthal anisotropy in the upper mantle. Polarization anomalies of Love waves from the...