All Stories

  1. A Seismic Precursor 15 min Before the Giant Eruption of Hunga Tonga‐Hunga Ha'apai Volcano on 15 January 2022

    Article • Geophysical Research Letters, November 2024, American Geophysical Union (AGU)

    Kiwamu Nishida

  2. Ocean Surface Gravity Waves Excited by the 2022 Eruption of Hunga Tonga‐Hunga Ha'apai Volcano

    Article • Geophysical Research Letters, October 2024, American Geophysical Union (AGU)

    Kiwamu Nishida

  3. Estimation of seismometer clock time offsets using Kalman Filter toward accurate seismic velocity change

    Article • Geophysical Journal International, September 2024, Oxford University Press (OUP)

    Kiwamu Nishida

  4. Ocean surface gravity waves excited by the 2022 eruption of Hunga Tonga-Hunga Ha'apai Volcano

    Article • August 2024, Authorea, Inc.

    Kiwamu Nishida

  5. A seismic precursor 15 minutes before the giant eruption of Hunga Tonga-Hunga Ha'apai volcano on January 15, 2022

    Article • July 2024, Authorea, Inc.

    Kiwamu Nishida

  6. Retrieval and precise phase-velocity estimation of Rayleigh waves by the spatial autocorrelation method between distributed acoustic sensing and seismometer data

    Article • Geophysical Journal International, March 2024, Oxford University Press (OUP)

    Kiwamu Nishida

  7. Ambient noise multimode surface wave tomography

    Article • Progress in Earth and Planetary Science, February 2024, Springer Science + Business Media

    Kiwamu Nishida

  8. Extraction of Mantle Discontinuities From Teleseismic Body‐Wave Microseisms

    Article • Geophysical Research Letters, September 2023, American Geophysical Union (AGU)

    Kiwamu Nishida

  9. Description of Martian convective vortices observed by InSight and implications for vertical vortex structure and subsurface physical properties

    Article • Journal of Geophysical Research Planets, August 2023, American Geophysical Union (AGU)

    Kiwamu Nishida

  10. Seismic Scattering and Absorption Properties of Mars Estimated Through Coda Analysis on a Long‐Period Surface Wave of S1222a Marsquake

    Article • Geophysical Research Letters, June 2023, American Geophysical Union (AGU)

    Kiwamu Nishida

  11. Extraction of mantle discontinuities from teleseismic ambient noise

    Article • June 2023, Authorea, Inc.

    Kiwamu Nishida

  12. Systematic catalog of Martian convective vortices observed by InSight

    Article • May 2023, Authorea, Inc.

    Kiwamu Nishida

  13. Tidal Response of Seismic Wave Velocity at Shallow Crust in Japan

    Article • Geophysical Research Letters, May 2023, American Geophysical Union (AGU)

    Kiwamu Nishida

  14. Tidal response of seismic wave velocity at shallow crust in Japan

    Article • February 2023, Authorea, Inc.

    Kiwamu Nishida

  15. Seismic scattering and absorption properties of Mars estimated through coda analysis on a long-period surface wave of S1222a marsquake

    Article • January 2023, Authorea, Inc.

    Kiwamu Nishida

  16. Nonlinear Earthquake Response of Marine Sediments With Distributed Acoustic Sensing

    Article • Geophysical Research Letters, November 2022, American Geophysical Union (AGU)

    Kiwamu Nishida

  17. Seawater-magma interactions sustained the high column during the 2021 phreatomagmatic eruption of Fukutoku-Oka-no-Ba

    Article • Communications Earth & Environment, November 2022, Springer Science + Business Media

    Kiwamu Nishida

  18. Understanding surface-wave modal content for high-resolution imaging of submarine sediments with distributed acoustic sensing

    Article • Geophysical Journal International, October 2022, Oxford University Press (OUP)

    Kiwamu Nishida

  19. Earth-shaking J. LEAGUE supporters

    Article • Earth Planets and Space, August 2022, Springer Science + Business Media

    Kiwamu Nishida

  20. Atmospheric waves and global seismoacoustic observations of the January 2022 Hunga eruption, Tonga

    Article • Science, July 2022, American Association for the Advancement of Science

    Kiwamu Nishida, Professor Giles Harrison

  21. Nonlinear earthquake response of marine sediments with distributed acoustic sensing

    Article • June 2022, Wiley

    Kiwamu Nishida

  22. Multi-mode dispersion measurement of surface waves extracted by multi-component ambient noise cross-correlation functions

    Article • Geophysical Journal International, June 2022, Oxford University Press (OUP)

    Kiwamu Nishida

  23. Detailed 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

    Article • Earth Planets and Space, June 2022, Springer Science + Business Media

    Kiwamu Nishida

  24. Global fast-traveling tsunamis driven by atmospheric Lamb waves on the 2022 Tonga eruption

    Article • Science, May 2022, American Association for the Advancement of Science

    Kiwamu Nishida

  25. A Global Centroid Single Force Catalog of P‐Wave Microseisms

    Article • Journal of Geophysical Research Solid Earth, March 2022, American Geophysical Union (AGU)

    Kiwamu Nishida

  26. First timeseries record of a large-scale silicic shallow-sea phreatomagmatic eruption

    Article • February 2022, Research Square

    Kiwamu Nishida

  27. Subsurface Imaging With Ocean‐Bottom Distributed Acoustic Sensing and Water Phases Reverberations

    Article • Geophysical Research Letters, January 2022, American Geophysical Union (AGU)

    Kiwamu Nishida

  28. OUP accepted manuscript

    Article • Geophysical Journal International, January 2022, Oxford University Press (OUP)

    Kiwamu Nishida

  29. A global centroid single force catalog of P-wave microseisms

    Article • October 2021, Wiley

    Kiwamu Nishida

  30. Sedimentary Structure Derived From Multi‐Mode Ambient Noise Tomography With Dense OBS Network at the Japan Trench

    Article • Journal of Geophysical Research Solid Earth, June 2021, American Geophysical Union (AGU)

    Kiwamu Nishida

  31. Sedimentary structure derived from multi-mode ambient noise tomography with dense OBS network at the Japan Trench

    Article • May 2021, Wiley

    Kiwamu Nishida

  32. Sedimentary structure derived from multi-mode ambient noise tomography with dense OBS network at the Japan Trench

    Article • April 2021, Wiley

    Kiwamu Nishida

  33. Two-step seismic noise reduction caused by COVID-19 induced reduction in social activity in metropolitan Tokyo, Japan

    Article • Earth Planets and Space, November 2020, Springer Science + Business Media

    Kiwamu Nishida

  34. Time-lapse monitoring of seismic velocity associated with 2011 Shinmoe-dake eruption using seismic interferometry: an extended Kalman filter approach

    Article • August 2020, Wiley

    Kiwamu Nishida

  35. Marine Sediment Characterized by Ocean‐Bottom Fiber‐Optic Seismology

    Article • Geophysical Research Letters, August 2020, American Geophysical Union (AGU)

    Kiwamu Nishida

  36. Time‐lapse monitoring of seismic velocity associated with 2011 Shinmoe‐dake eruption using seismic interferometry: an extended Kalman filter approach

    Article • Journal of Geophysical Research Solid Earth, August 2020, American Geophysical Union (AGU)

    Kiwamu Nishida

  37. Time-lapse monitoring of seismic velocity associated with 2011 Shinmoe-dake eruption using seismic interferometry: an extended Kalman filter approach

    Article • July 2020, Wiley

    Kiwamu Nishida

  38. Time-lapse monitoring of seismic velocity associated with 2011 Shinmoe-dake eruption using seismic interferometry

    Article • May 2020, Wiley

    Kiwamu Nishida

  39. Seismic observation of tsunami at island broadband stations

    Article • Journal of Geophysical Research Solid Earth, February 2019, American Geophysical Union (AGU)

    Kiwamu Nishida

  40. Seismic observation of tsunami at island broadband stations

    Article • October 2018, Center for Open Science

    Kiwamu Nishida

  41. In Situ Characterization of the Lithosphere-Asthenosphere System beneath NW Pacific Ocean Via Broadband Dispersion Survey With Two OBS Arrays

    Article • Geochemistry Geophysics Geosystems, September 2018, American Geophysical Union (AGU)

    Kiwamu Nishida

  42. Ambient seismic noise wavefield in Japan characterized by polarization analysis of Hi-net records

    Article • Geophysical Journal International, September 2018, Oxford University Press (OUP)

    Kiwamu Nishida

  43. Ambient seismic wave field

    Article • Proceedings of the Japan Academy Series B, January 2017, Japan Academy

    Kiwamu Nishida

  44. Erratum to: Reconstruction of a 2D seismic wavefield by seismic gradiometry

    Article • Progress in Earth and Planetary Science, November 2016, Springer Science + Business Media

    Kiwamu Nishida

  45. Reconstruction of a 2D seismic wavefield by seismic gradiometry

    Article • Progress in Earth and Planetary Science, October 2016, Springer Science + Business Media

    Kiwamu Nishida

  46. Teleseismic S wave microseisms

    Article • Science, August 2016, American Association for the Advancement of Science

    Kiwamu Nishida

  47. Seismic azimuthal anisotropy in the oceanic lithosphere and asthenosphere from broadband surface wave analysis of OBS array records at 60 Ma seafloor

    Article • Journal of Geophysical Research Solid Earth, March 2016, Wiley

    Kiwamu Nishida

  48. Real-time infrasonic monitoring of the eruption at a remote island volcano using seismoacoustic cross correlation

    Article • Geophysical Journal International, December 2015, Oxford University Press (OUP)

    Kiwamu Nishida

  49. A Single Bit Matters: Coherent Noise of Seismic Data Loggers

    Article • Seismological Research Letters, April 2015, Seismological Society of America (SSA)

    Kiwamu Nishida

  50. Source spectra of seismic hum

    Article • Geophysical Journal International, August 2014, Oxford University Press (OUP)

    Kiwamu Nishida

  51. Estimation of azimuthal anisotropy in the NW Pacific from seismic ambient noise in seafloor records

    Article • Geophysical Journal International, July 2014, Oxford University Press (OUP)

    Kiwamu Nishida

  52. Source characteristics of ocean infragravity waves in the Philippine Sea: analysis of 3-year continuous network records of seafloor motion and pressure

    Article • Earth Planets and Space, January 2014, Springer Science + Business Media

    Kiwamu Nishida

  53. Background Lamb waves in the Earth's atmosphere

    Article • Geophysical Journal International, November 2013, Oxford University Press (OUP)

    Kiwamu Nishida

  54. Radially anisotropic structure beneath the Shikoku Basin from broadband surface wave analysis of ocean bottom seismometer records

    Article • Journal of Geophysical Research Solid Earth, June 2013, American Geophysical Union (AGU)

    Kiwamu Nishida

  55. Earth's Background Free Oscillations

    Article • Annual Review of Earth and Planetary Sciences, May 2013, Annual Reviews

    Kiwamu Nishida

  56. Global propagation of body waves revealed by cross-correlation analysis of seismic hum

    Article • Geophysical Research Letters, May 2013, American Geophysical Union (AGU)

    Kiwamu Nishida

  57. A temporal change of shear wave anisotropy within the marine sedimentary layer associated with the 2011 Tohoku-Oki earthquake

    Article • Journal of Geophysical Research Solid Earth, February 2013, American Geophysical Union (AGU)

    Kiwamu Nishida

  58. Magma pathway and its structural controls of Asama Volcano, Japan

    Article • Geological Society London Special Publications, January 2013, Geological Society

    Kiwamu Nishida

  59. Enigmatic very low frequency tremors beneath the Shonai Plain in northeastern Japan

    Article • Journal of Geophysical Research Atmospheres, November 2012, American Geophysical Union (AGU)

    Kiwamu Nishida

  60. Seismic imaging of magma chamber beneath an active volcano

    Article • Earth and Planetary Science Letters, June 2012, Elsevier

    Kiwamu Nishida

  61. Two-dimensional sensitivity kernels for cross-correlation functions of background surface waves

    Article • Comptes Rendus Géoscience, September 2011, Elsevier

    Kiwamu Nishida

  62. Temporal change of phase velocity beneath Mt. Asama, Japan, inferred from coda wave interferometry

    Article • Geophysical Research Letters, November 2010, American Geophysical Union (AGU)

    Kiwamu Nishida

  63. Inter-source body wave propagations derived from seismic interferometry

    Article • Geophysical Journal International, August 2010, Oxford University Press (OUP)

    Kiwamu Nishida

  64. Seafloor topography, ocean infragravity waves, and background Love and Rayleigh waves

    Article • Journal of Geophysical Research Atmospheres, April 2010, American Geophysical Union (AGU)

    Professor Kiwamu Minamisawa, Kiwamu Nishida

  65. Very broadband analysis of a swarm of very low frequency earthquakes and tremors beneath Kii Peninsula, SW Japan

    Article • Geophysical Research Letters, March 2010, American Geophysical Union (AGU)

    Kiwamu Nishida

  66. Global Surface Wave Tomography Using Seismic Hum

    Article • Science, October 2009, American Association for the Advancement of Science

    Kiwamu Nishida

  67. Seismic interferometry of teleseicmicS-wave coda for retrieval of body waves: an application to the Philippine Sea slab underneath the Japanese Islands

    Article • Geophysical Journal International, September 2009, Oxford University Press (OUP)

    Kiwamu Nishida

  68. Three-dimensional crustalSwave velocity structure in Japan using microseismic data recorded by Hi-net tiltmeters

    Article • Journal of Geophysical Research Atmospheres, October 2008, American Geophysical Union (AGU)

    Kiwamu Nishida

  69. Background Love and Rayleigh waves simultaneously generated at the Pacific Ocean floors

    Article • Geophysical Research Letters, August 2008, American Geophysical Union (AGU)

    Kiwamu Nishida

  70. Source distribution of Earth's background free oscillations

    Article • Journal of Geophysical Research Atmospheres, June 2007, American Geophysical Union (AGU)

    Kiwamu Nishida

  71. Atmospheric pressure change associated with the 2003 Tokachi-Oki earthquake

    Article • Geophysical Research Letters, December 2006, American Geophysical Union (AGU)

    Kiwamu Nishida

  72. Effect of pressure on the viscosity of Fe-S and Fe-C liquids up to 16 GPa

    Article • Geophysical Research Letters, November 2006, American Geophysical Union (AGU)

    Kiwamu Nishida

  73. Array observation of background atmospheric waves in the seismic band from 1 mHz to 0.5 Hz

    Article • Geophysical Journal International, September 2005, Oxford University Press (OUP)

    Kiwamu Nishida

  74. Resonant Oscillations Between the Solid Earth and the Atmosphere

    Article • Science, March 2000, American Association for the Advancement of Science

    Kiwamu Nishida

  75. Atmospheric excitation of planetary free oscillations

    Article • Journal of Physics Condensed Matter, December 1998, Institute of Physics Publishing

    Kiwamu Nishida

  76. Continuous excitation of planetary free oscillations by atmospheric disturbances

    Article • Nature, September 1998, Springer Science + Business Media

    Kiwamu Nishida

  77. Earth's continuous oscillations observed on seismically quiet days

    Article • Geophysical Research Letters, May 1998, American Geophysical Union (AGU)

    Professor Kiwamu Minamisawa, Kiwamu Nishida