Last Updated : September 15, 2023

Crustal Deformation Research Division

Research Works and Results


Researchers (FY2023)

  • MUNEKANE Hiroshi : Director of Crustal Deformation Research Division
  • OZAWA Shinzaburo : Chief Researcher
  • SUITO Hisashi : Chief Researcher
  • KUWAHARA Masaki : Researcher

Research Projects

  • Research and development of high accuracy crustal movement grapsing method to cope with huge earthquake occurrence along Nankai Trough
    (2019-2023) [Proposal [PDF: 1.98MB]

Recent Achievements


  • Munekane, H. Modeling long-term volcanic deformation at Kusatsu-Shirane and Asama volcanoes, Japan, using the GNSS coordinate time series. Earth Planets Space 73, 192 (2021). [html]


  • Kawabata, R., H. Munekane (2021), Development of Prototype Program for Estimation of Fault Parameters and Slip Distributions using Markov Chain Monte Carlo Method, Journal of Geospatial Information Authority of Japan, 134. [html]


  • Ozawa, S., H. Yarai, T. Kobayashi (2019), Recovery of the recurrence interval of Boso slow slip events in Japan. Earth Planets Space, 71:78, doi:10.1186/s40623-019-1058-y.[html]
  • Kobayashi, T., K. Hayashi, H. Yarai (2019), Geodetically estimated location and geometry of the fault plane involved in the 2018 Hokkaido Eastern Iburi earthquake, Earth Planets Space, 71:62, doi:10.1186/s40623-019-1042-6. [html]
  • Kobayashi, T.(2018), InSAR-detected local ground deformation in potential areas of phreatic eruption: Way forward to proactive monitoring for disaster risk mitigation, proceeding of 13th SEGJ Information Symposium, 186-169, 2019, doi:10.1190/SEGJ2018-050.1. [html]


  • Kobayashi T., Yarai H., Kawamoto S., Morishita Y., Fujiwara S., Hiyama Y. (2018) Crustal Deformation and Fault Models of the 2016 Kumamoto Earthquake Sequence: Foreshocks and Main Shock. In: Freymueller J., Sánchez L. (eds) International Symposium on Advancing Geodesy in a Changing World. International Association of Geodesy Symposia, vol.149. Springer, Cham, doi:10.1007/1345_2018_37. [html]
  • Morishita, Y., T. Kobayashi. (2018), Ground Surface Displacement of Kirishima Volcano Group Detected by ALOS-2 InSAR Time Series Analysis and Effect of Atmospheric Noise Reduction, J. Geod. Soc. Jpn.,64, 28-38, doi:10.11366/sokuchi.64.28. (in Japanese with English abstract) [html]
  • Morishita, Y., T. Kobayashi, S. Fujiwara, and H. Yarai (2018), Complex crustal deformation of the 2016 Kaikoura, New Zealand, earthquake revealed by ALOS‐2, Bull. Seismol. Soc. Am., 108(3B), 1746-1756, doi:10.1785/0120180070. [html]
  • Suito, H. (2018), Current Status of Postseismic Deformation Following the 2011 Tohoku-Oki Earthquake, J. Disaster Res.., 13(3), 503-510, doi:10.20965/jdr.2018.p0503. [html]
  • Kobayashi, T. (2018), Locally distributed ground deformation in an area of potential phreatic eruption, Midagahara volcano, Jpana, detected by single-look-based InSAR time series analysis, J. Volcanology and Geothermal Res., 357, 213-223, doi:10.1016/j.jvolgeores.2018.04.023. [html]
  • Kobayashi, T., Y. Morishita, and H. Munekane (2018), First detection of precursory ground inflation of a small phreatic eruption by InSAR, Earth Planet. Sci. Lett, 491, 244-254, doi:10.1016/j.epsl.2018.03.041. [html] (article in Physics Today [Online] [Text]
  • Kobayashi, T., Y. Morishita, S. Yamada (2018), A Prototype System for InSAR time series analysis, Journal of Geospatial Information Authority of Japan, 130. [html]


  • Kobayashi, T., Y. Morishita and H. Yarai (2018), SAR-revealed slip partitioning on a bending fault plane for the 2014 Northern Nagano earthquake at the northern Itoigawa-Shizuoka tectonic line, Tectonophysics, 733, 85-99, doi:10.1016/j.tecto.2017.12.001. [html]
  • Fujiwara, S., Y. Morishita, T. Nakano, T. Kobayashi, and H. Yarai (2017), Non-tectonic liquefaction-induced large surface displacements in the Aso Valley, Japan, caused by the 2016 Kumamoto earthquake, revealed by ALOS-2 SAR, Earth Planet. Sci. Lett., 474, 457-465, doi:10.1016/j.epsl.2017.07.001. [html]
  • Suito, H. (2017), Viscoelastic Relaxation Caused by the 2004 off the Kii Peninsula Earthquake,Zishin 2 (J. Seismol. Soc. Jpn.),70, 135-145. (in Japanese with English abstract)[html]
  • Fujiwara, S., M. Murakami, T. Nishimura, M. Tobita,H. Yarai, and T. Kobayashi(2017), Volcanic deformation of Atosanupuri volcanic complex in the Kussharo caldera, Japan, from 1993 to 2016 revealed by JERS-1, ALOS, and ALOS-2 radar interferometry, Earth Planets Space, 69: 78, doi:10.1186/s40623-017-0662-y. [html]
  • Kobayashi, T., Y. Morishita, H. Yarai, and S. Fujiwara (2018), InSAR-derived Crustal Deformation and Reverse Fault Motion of the 2017 Iran-Iraq Earthquake in the Northwest of the Zagros Orogenic Belt, Bull.Geospatial Info. Auth.,66. [PDF: 1.3MB]
  • Kobayashi, T. (2017) , Crustal deformation of the Kumamoto Earthquake detected by ALOS-2, Report on the Damage Surveys and Investigations Following the 2016 Kumamoto Earthquake, Chap. 2.3, 28-34. (in Japanese) [html]
  • Kobayashi, T., H. Yarai, Y. Morishita, S. Kawamoto, S. Fujiwara and T. Nakano (2017), Detailed ground surface displacement and fault ruptures of the 2016 Kumamoto Earthquake Sequence revealed by SAR and GNSS data, in Proc. 11th UJNR 2016, California, 31-32, doi:10.3133/ofr20171133. [html]
  • Fujiwara, S., H. Yarai , T. Kobayashi, Y. Morishita, T. Nakano, B. Miyahara, H. Nakai, Y. Miura, H. Ueshiba, Y. Kakiage and H. Une, Small (2017) Small displacement surface linear ruptures of the 2016 Kumamoto Earthquake Sequence detected by ALOS-2 SAR interferometry, in Proc. 11th UJNR 2016, California, 33-34, doi:10.3133/ofr20171133. [html]
  • Kobayashi, T. (2017), Earthquake Rupture Properties of the 2016 Kumamoto Earthquake Foreshocks (Mj 6.5 and Mj 6.4) Revealed by Conventional and Multiple-aperture InSAR, in Proc. 11th UJNR 2016, California, 131-132, doi:10.3133/ofr20171133. [html]

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