Recent study
Date publishedTitle
2024/02/26Detectability analysis of very low frequency earthquakes: Methods and application in Nankai using F-net and DONET broadband seismometers
2024/01/19Largest aftershock nucleation driven by afterslip during the 2014 Iquique sequence
2024/01/16Quantifying magma overpressure beneath a submarine caldera: A mechanical modeling approach to tsunamigenic trapdoor faulting near Kita-Ioto Island, Japan
2023/12/04A review of shallow slow earthquakes along the Nankai Trough
2023/11/10Locating tectonic tremors with uncertainty estimates: Time- and amplitude-difference optimization, wave propagation-based quality control, and Bayesian inversion
2023/11/06Origins of the tsunami following the 2023 Turkey–Syria earthquake
2023/10/27Detection of Low-Frequency Tremors in Paper Records from About 50 Years Ago Based on Artificial Intelligence
2023/03/13Layered Evolution of the Oceanic Lithosphere Beneath the Japan Basin, the Sea of Japan
2023/03/06Muon Imaging of Volcanic Conduit Explains Link between Eruption Frequency and Ground Deformation
2022/10/19Source mechanism of volcanic earthquakes causing disproportionately large tsunamis: Trapdoor faulting in the submarine Sumisu caldera, south of Japan
2022/06/29Detailed S-wave velocity structure of sediment and crust off Sanriku, Japan by a new analysis method for distributed acoustic sensing data using a seafloor cable and seismic interferometry
2022/04/28Performance of Seismic Observation by Distributed Acoustic Sensing Technology Using a Seafloor Cable Off Sanriku, Japan
2022/03/29Spatiotemporal variations of shallow very low frequency earthquake activity southeast off the Kii Peninsula, along the Nankai Trough, Japan
2022/03/25Décollement geometry controls on shallow Very Low Frequency Earthquakes
2022/02/16On the performance of position-domain sidereal filter for 30-sec kinematic GPS to mitigate multipath errors
2022/01/18Precise aftershock distribution of the 2019 Yamagata‑oki earthquake using newly developed simple anchored‑buoy ocean bottom seismometers and land seismic stations
2021/12/20Determination of the source parameters of the 2011 Tohoku‑Oki earthquake from three‑component pre‑P gravity signals recorded by dense arrays in Japan
2021/11/05Limited impact of anisotropic thermal conductivity in the mantle wedge on the slab temperature in the Tohoku subduction zone, Northeast Japan
2021/09/24Lithosphere–asthenosphere boundary beneath the Sea of Japan from transdimensional inversion of S-receiver functions
2021/08/03Development of a Compact Broadband Ocean-Bottom Seismometer
2021/07/16Construction of deep-learning model (convolutional neural network) to detect deep low-frequency tremors from seismic waveform images
2021/07/05Electrical Resistivity Structure Around the Atotsugawa Fault, Central Japan, Revealed by a New 2-D Inversion Method Combining Wideband-MT and Network-MT Data Sets
2021/07/01Real-Time Tsunami Data Assimilation of S-net Pressure Gauge Records during the 2016 Fukushima Earthquake
2021/06/21Evolution of aseismic slip rate along plate boundary faults before and after megathrust earthquakes
2021/06/04Phase prediction method for pattern formation in time-dependent Ginzburg-Landau dynamics for kinetic Ising model without a priori assumptions of domain patterns
2021/05/28Improved 3-D P Wave Azimuthal Anisotropy Structure Beneath the Tokyo Metropolitan Area, Japan: New Interpretations of the Dual Subduction System Revealed by Seismic Anisotropy
2021/03/23Cabled seafloor seismic and tsunami observation systems are ideal for marine geophysical
2021/02/15Harmonic tremor model during the 2011 Shinmoe-dake eruption, Japan
2021/02/10Diffusion creep of diopside
2021/02/04Conjugate faulting and structural complexity on the young fault system associated with the 2000 Tottori earthquake
2021/01/04Inversion of Longer‐Period OBS Waveforms for P Structures in the Oceanic Lithosphere and Asthenosphere
2020/11/20The generation of large earthquakes
2020/11/10Regional probabilistic tsunami hazard assessment associated with active faults along the eastern margin of the Sea of Japan
2020/09/11Comprehensive detection of very low frequency earthquakes off the Hokkaido and Tohoku Pacific coasts, northeastern Japan
2020/09/01Marine Sediment Characterized by Ocean-Bottom Fiber-Optic Seismology
2020/08/07Overpressured Underthrust Sediment in the Nankai Trough Forearc Inferred From Transdimensional Inversion of High‐Frequency Teleseismic Waveforms
2020/07/02Stress loading and the occurrence of normal-type earthquakes under Boso Peninsula, Japan
2020/06/10Centroid moment tensor inversions of offshore earthquakes using a three-dimensional velocity structure model: slip distributions on the plate boundary along the Nankai Trough
2020/04/30Collaborative research with GNS and Chorus on fault zone study at Tolaga Bay
2020/03/09Deep Low-Frequency Earthquakes Associated With the Eruptions of Shinmoe-dake in Kirishima Volcanoes
2020/03/06Comprehensive detection of very low frequency earthquakes off the Hokkaido and Tohoku Pacific coasts, northeastern Japan
2020/01/09Characteristics of seismic activity before and after the 2018 M6.7 Hokkaido Eastern Iburi earthquake
2020/01/07Migrations and Clusters of Shallow Very Low Frequency Earthquakes in the Regions Surroundings Stress Accumulation Peaks along the Nankai Trough
2019/11/08Structural Characteristics of the Nankai Trough Shallow Plate Boundary Inferred From Shallow Very Low Frequency Earthquakes
2019/10/30Muographic Observation System used for imaging a magmatic plug in Sakurajima volcano
2019/10/10Possible slow slip event beneath the Kii Peninsula, southwest Japan, inferred from historical tilt records in 1973
2019/10/04Seasonal Variations in Crustal Seismicity in San‐in District, Southwest Japan
2019/07/08Robust Stress Drop Estimates of Potentially Induced Earthquakes in Oklahoma: Evaluation of Empirical Green's Function
2019/05/09The 2015 Gorkha Earthquake: Earthquake Reflection Imaging of the Source Fault and Connecting Seismic Structure With Fault Slip Behavior
2019/03/18Earthquake-induced prompt gravity signals identified in dense array data in Japan
2019/03/12Stress change before and after the 2011 M9 Tohoku-oki earthquake
2019/03/06Beyond Receiver Functions: Green's Function Estimation by Transdimensional Inversion and Its Application to OBS Data
2019/02/26Gravity and Geoid Changes by the 2004 and 2012 Sumatra Earthquakes from Satellite Gravimetry and Ocean Altimetry
2019/02/19Temporal variation in the resistivity structure of the first Nakadake crater, Aso volcano, Japan, during the magmatic eruptions from November 2014 to May 2015, as inferred by the ACTIVE electromagnetic monitoring system
2019/02/15Source fault model of the 2018 Mw 5.6 northern Osaka earthquake, Japan, inferred from the aftershock sequence
2019/02/12Geometrical dependence on the stress and slip tendency acting on the subduction megathrust of the Nankai seismogenic zone off Kumano
2019/01/09A High-Resolution Underwater Gravity Measurement System aboard an Autonomous Underwater Vehicle
2018/10/02Location of localized liquefaction in Fushimi during the 1854 Iga-Ueno earthquake
2018/09/11The 2018 Hokkaido Eastern Iburi Earthquake【QE】
2018/09/04The condition of eruption column collapse: Part 1. A reference model based on analytical solutions/Part 2. Three‐dimensional (3D) numerical simulations of eruption column dynamics
2018/07/10Numerical simulation of plate subduction and water transport
2018/06/27Development of a Slow Earthquake Database
2018/05/21Soil–Building Interaction Analysis with Nearby Water Body, Based on an Input Wavefield
2018/05/17Migration of Deep Low-Frequency Tremor Triggered by Teleseismic Earthquakes in the Southwest Japan Subduction Zone
2018/03/19Understanding the plume dynamics of explosive super-eruptions
2018/03/14Variability of the Space-Time Evolution of Slow Slip Events Off the Boso Peninsula, Central Japan, From 1996 to 2014
2018/02/27Strength of tremor patches along deep transition zone of a megathrust
2018/02/20Temporal activity modulation of deep very low frequency earthquakes in Shikoku, southwest Japan
2018/01/04Determination of Intrinsic Attenuation in the Oceanic Lithosphere-Asthenosphere System
2017/12/18Measurement of the multi-TeV neutrino interaction cross-section with IceCube using Earth absorption
2017/11/29Continuous seismic monitoring of Nishinoshima volcano, Izu‑Ogasawara, by using long‑term ocean bottom seismometers
2017/11/13Grain growth prediction based on data assimilation by implementing 4DVar on multi-phase-field model
2017/11/01Receiver function images of the distorted Philippine Sea slab contact with the continental crust: Implications for generation of the 1891 Nobi earthquake (Mj 8.0)
2017/09/04Seismic wavefield imaging of long-period ground motion in the Tokyo metropolitan area, Japan
2017/08/21Heterogeneity of direct aftershock productivity of the main shock rupture
2017/08/08ERI student was introduced on "Campus TV"
2017/08/08Sakura Science Program finished
2017/01/10Heterogeneous mantle anisotropy and fluid upwelling: implication for generation of the 1891 Nobi earthquake
2016/12/28Seismic wavefield imaging based on the replica exchangeMonte Carlo method
2016/11/18Data assimilation for massive autonomous systems based on a second-order adjoint method
2016/10/21Reconstruction of a 2D seismic wavefield by seismic gradiometry
2016/09/05Two types of volcanic tremor changed with eruption style during 1986 Izu-Oshima eruption
2016/09/01Accelerated nucleation of the 2014 Iquique, Chile Mw 8.2 Earthquake
2016/08/29Geometric effect on a laboratory-scale wavefield inferred from a three-dimensional numerical simulation
2016/08/19Foreshock migration preceding the 2016 Mw 7.0 Kumamoto earthquake, Japan
2016/07/15Connecting slow earthquakes to huge earthquakes
2016/07/06Seismological evidence of an active footwall shortcut thrust in the Northern Itoigawa-Shizuoka Tectonic Line derived by the aftershock sequence of the 2014 M 6.7 Northern Nagano earthquake
2016/06/21Differential Monte Carlo method for computing seismogram envelopes and their partial derivatives
2016/06/15Constraining the source location of the 30 May 2015 (Mw 7.9) Bonin deep-focus earthquake using seismogram envelopes of high-frequency P waveforms: Occurrence of deep-focus earthquake at the bottom of a subducting slab
2016/06/14Ocean-influenced Rayleigh waves from outer-rise earthquakes and their effects on durations of long-period ground motion
2016/03/31Morphological evolution of a new volcanic islet sustained by compound lava flows
2016/03/11Slow slip event within a gap between tremor and locked zones in the Nankai subduction zone
2016/01/07Cascading elastic perturbation in Japan due to the 2012 Mw 8.6 Indian Ocean earthquak
2016/01/07Triggered Tectonic Tremor in Various Types of Fault Systems of Japan Following the 2012 Mw8.6 Sumatra Earthquake
2015/12/11Real-time infrasonic monitoring of the eruption at a remote island volcano using seismoacoustic cross correlation
2015/12/01Spectrometry of the Earth using Neutrino Oscillations
2015/06/29Imaging crust and upper mantle beneath Mount Fuji, Japan, by receiver functions
2015/05/08Migrating tremor off southern Kyushu as evidence for slow slip of a shallow subduction interface
2015/04/07A 100-m Fabry–Pérot Cavity with Automatic Alignment Controls for Long-Term Observations of Earth’s Strain
2014/08/28Traveltime delay and initial phase reversal of distant tsunamis coupled with the self-gravitating elastic Earth
2014/07/04Mapping pressurized volcanic fluids from induced crustal seismic velocity drops
2014/06/20Changbaishan volcanism in northeast China linked to subduction-induced mantle upwelling
2014/04/25Li-loaded directionally sensitive detector for possible geo-neutrinograohic imaging applications
2014/01/06New compact ocean bottom cabled seismometer system deployed in the Japan Sea
2013/10/17Olivine crystals align during diffusion creep of Earth’s upper mantle
2013/10/15Precursory activity and evolution of the 2011 eruption of Shinmoe-dake in Kirishima volcano-insights from ash samples-
2013/07/11Ground deformation cycles in a magma-effusive stage, and sub-Plinian and Vulcanian eruptions at Kirishima volcanoes, Japan.
2013/07/11An aeromagnetic survey of Shinmoe-dake volcano, Kirishima, Japan, after the 2011 eruption using an unmanned autonomous helicopter
2013/06/03Time and Space Distribution of Coseismic Slip of the 2011 Tohoku Earthquake as Inferred from Tsunami Waveform Data
2013/05/27Global propagation of body waves revealed by cross-correlation analysis of seismic hum
2013/05/16Syneruptive deep magma transfer and shallow magma remobilization during the 2011 eruption of Shinmoe-dake, Japan　-Constraints from melt inclusions and phase equilibria experiments-
2013/02/28Effects of a revised rate- and state-dependent friction law on aftershock triggering model
2013/02/28Earthquake cycle simulation with a revised rate- and state-dependent friction law
2012/12/28Regional extent of the large coseismic slip zone of the 2011 Mw 9.0 Tohoku-Oki earthquake delineated by on-fault aftershocks
2012/12/06Enigmatic very low frequency tremors beneath the Shonai Plain in northeastern Japan
2012/10/18Subduction of oceanic asthenosphere: Evidence from sub-slab seismic anisotropy
2012/10/10New detection of tremor triggered in Hokkaido, northern Japan by the 2004 Sumatra–Andaman Earthquake
2012/10/10Decade-scale decrease in b value prior to the M9-class 2011 Tohoku and 2004 Sumatra quakes
2012/10/08Depth-dependent mode of tremor migration beneath Kii Peninsula, Nankai subduction zone
2012/08/10Tsunami source of the 2010 Menawai, Indonesia earthquake inferred from tsunami field survey and waveform modeling
2012/07/18Seismic imaging of magma chamber beneath an active volcano