Search Results - "IINUMA, Takeshi"
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Monitoring of the spatio-temporal change in the interplate coupling at northeastern Japan subduction zone based on the spatial gradients of surface velocity field
Published in Geophysical journal international (01-04-2018)“…Summary A monitoring method to grasp the spatio-temporal change in the interplate coupling in a subduction zone based on the spatial gradients of surface…”
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Rapid mantle flow with power-law creep explains deformation after the 2011 Tohoku mega-quake
Published in Nature communications (26-03-2019)“…The deformation transient following large subduction zone earthquakes is thought to originate from the interaction of viscoelastic flow in the asthenospheric…”
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Periodic slow slip triggers megathrust zone earthquakes in northeastern Japan
Published in Science (American Association for the Advancement of Science) (29-01-2016)“…Both aseismic and seismic slip accommodate relative motion across partially coupled plate-boundary faults. In northeastern Japan, aseismic slip occurs in the…”
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Investigating a tsunamigenic megathrust earthquake in the Japan Trench
Published in Science (American Association for the Advancement of Science) (12-03-2021)“…The 2011 Tohoku-oki earthquake occurred in the Japan Trench 10 years ago, where devastating earthquakes and tsunamis have repeatedly resulted from subduction…”
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Seafloor observations indicate spatial separation of coseismic and postseismic slips in the 2011 Tohoku earthquake
Published in Nature communications (17-11-2016)“…Large interplate earthquakes are often followed by postseismic slip that is considered to occur in areas surrounding the coseismic ruptures. Such spatial…”
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Postseismic Uplift Along the Pacific Coast of Tohoku and Kanto Districts Associated with the 2011 off the Pacific Coast of Tohoku Earthquake
Published in Journal of disaster research (01-06-2018)“…The 2011 off the Pacific coast of Tohoku earthquake (M9.0) produced up to 1.2 m subsidence along the Pacific coast in northeastern Japan. Based on Global…”
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Episodic slow slip events in the Japan subduction zone before the 2011 Tohoku-Oki earthquake
Published in Tectonophysics (17-07-2013)“…We describe two transient slow slip events that occurred before the 2011 Tohoku-Oki earthquake. The first transient crustal deformation, which occurred over a…”
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Data assimilation for fault slip monitoring and short-term prediction of spatio-temporal evolution of slow slip events: application to the 2010 long-term slow slip event in the Bungo Channel, Japan
Published in Earth, planets, and space (01-12-2024)“…Monitoring and predicting fault slip behaviors in subduction zones is essential for understanding earthquake cycles and assessing future earthquake potential…”
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High-fidelity elastic Green’s functions for subduction zone models consistent with the global standard geodetic reference system
Published in Earth, planets, and space (01-12-2021)“…Green’s functions (GFs) for elastic deformation due to unit slip on the fault plane comprise an essential tool for estimating earthquake rupture and…”
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Stress before and after the 2011 great Tohoku-oki earthquake and induced earthquakes in inland areas of eastern Japan
Published in Geophysical research letters (01-02-2012)“…Stress fields in inland areas of eastern Japan before and after the Tohoku‐oki earthquake were estimated by inverting focal mechanism data. Before the…”
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Improvement on spatial resolution of a coseismic slip distribution using postseismic geodetic data through a viscoelastic inversion
Published in Earth, planets, and space (11-06-2020)“…Obvious crustal deformation is observed during a postseismic period as well as a coseismic period associated with a large earthquake. Major mechanisms of…”
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Detectability of low-viscosity zone along lithosphere–asthenosphere boundary beneath the Nankai Trough, Japan, based on high-fidelity viscoelastic simulation
Published in Earth, planets, and space (01-12-2024)“…After the 2011 Tohoku-oki earthquake, a seafloor observation system observed rapid landward deformation. These seafloor observation data are potentially…”
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tFISH/RAPiD: Rapid improvement of near-field tsunami forecasting based on offshore tsunami data by incorporating onshore GNSS data
Published in Geophysical research letters (28-05-2014)“…We have developed a new algorithm that improves near‐field tsunami forecasting based on offshore tsunami data soon after an earthquake by incorporating…”
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Quasi real-time fault model estimation for near-field tsunami forecasting based on RTK-GPS analysis: Application to the 2011 Tohoku-Oki earthquake (Mw 9.0)
Published in Journal of Geophysical Research: Solid Earth (01-02-2012)“…Real‐time crustal deformation monitoring is extremely important for achieving rapid understanding of actual earthquake scales, because the measured permanent…”
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Stress change in southwest Japan due to the 1944–1946 Nankai megathrust rupture sequence based on a 3-D heterogeneous rheological model
Published in Earth, planets, and space (01-12-2024)“…The Nankai trough has repeatedly experienced large megathrust earthquakes at intervals of 100–200 years. The inland region of southwest (SW) Japan has a…”
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Along-arc heterogeneous rheology inferred from post-seismic deformation of the 2011 Tohoku-oki earthquake
Published in Geophysical journal international (24-03-2022)“…SUMMARY The Japan forearc plays a crucial role in modulating the post-seismic deformation in response to the enormous stress perturbation induced by the 2011…”
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Heterogeneous rheology of Japan subduction zone revealed by postseismic deformation of the 2011 Tohoku-oki earthquake
Published in Progress in earth and planetary science (01-12-2023)“…The 2011 Tohoku-oki earthquake produced the most well-recorded postseismic deformation of any megathrust earthquake in the world. Over the last decade,…”
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Heterogeneous rheology controlled postseismic deformation of the 2011 Tohoku‐Oki earthquake
Published in Geophysical research letters (28-05-2016)“…Using two‐dimensional finite element modeling, we reproduced the observed postseismic deformation of the 2011 Tohoku‐Oki earthquake. Our model, which accounts…”
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Along-trench variation in seafloor displacements after the 2011 Tohoku earthquake
Published in Science advances (01-07-2017)“…The 2011 Tohoku-oki earthquake was the largest earthquake ever observed with seafloor geodetic techniques in and around its source region. Large crustal…”
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First measurement of the displacement rate of the Pacific Plate near the Japan Trench after the 2011 Tohoku-Oki earthquake using GPS/acoustic technique
Published in Geophysical research letters (28-10-2015)“…The subduction rate of an oceanic plate may accelerate after large earthquakes rupture the interplate coupling between the oceanic and overriding continental…”
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