Last Updated : November 9, 2021

Geographic Information Analysis Research Div.

Introduction of Geographic Information Analysis Research Div.

Contents of the Geographic Information Analysis Research Div.


These are recent topics.The older ones are listed in [Past topics].Those that are not the first author are not assigned identification numbers.

  • Presented at the Italy-Japan joint workshop on landslide monitoring systems and related topics(4-5 Nov.2021, online)
    • 【TP202103】Junko IWAHASHI:Seismic Ground Disaster Assessment System (SGDAS) of GSI Japan
    • 【TP202104】Takayuki NAKANO:Research for the improvement of SGDAS – liquefaction
    • 【TP202105】Ryo ENDO:Research for the improvement of SGDAS – prior rainfall
  • Presented at the EGU2020: Sharing Geoscience Online(4-8 May.2020)
    • 【TP202002】Junko IWAHASHI, Yoshiharu NISHIOKA (AIST), Daisaku KAWABATA (AIST), Akinobu ANDO (Miyagi Univ. of Education), Shinsuke OKADA (Tohoku Univ.), Takahisa SHIRAISHI: Report on science classes and a workshop for teen students to learn geography and geology using Minecraft, EGU General Assembly 2020, Online, 4–8 May 2020, EGU2020-12516,(Abstract of 【TP202002】)
  • Presented at the AGU Fall Meeting 2019(9-13 Dec.2019@SanFrancisco,USA).
    • 【TP201907-3】Junko Iwahashi , Yoshiharu Nishioka(AIST) , Akinobu Ando(Miyagi Univ. Education) ,Daisaku Kawabata( AIST):Learning support of geography and geology using Minecraft(Abstract of 【TP201907-3】)
    • 【TP201907-2】Junko Iwahashi,Masashi Matsuoka(Tokyo Inst. Tech.), Dai Yamazaki(Univ. Tokyo): Generation of segment data using 30-m DEMs as the base material of future hazard maps(Abstract of【TP201907-2】)
    • 【TP201907-1】Ryo Endo, Junko Iwahashi,Hiroyuki Ohno,Takayuki nakano:Effective estimation of gravitational deformation zone in wide area in Japan using DEM and convolutional neural network(CNN)(Abstract of【TP201907-1】)
  • Presented at the ICC2019 TOKYO(International Cartographic Conference )(15-20 July 2019@TOKYO,Japan) 
    • 【TP201902-4】Ryo Endo, Takayuki Nakano:Improvement suggestions for problems of hazard map from the viewpoint of color scheme(Abstract of 【TP201902-4】)
    • 【TP201902-3】Takaki Okatani,(College of Land, Infrastructure, Transport and Tourism), Hiroaki Tanaka*,Yuki Kurisu,Hidetoshi Nakajima, Keisuke Katsuta:Geospatial Information Authority of Japan’s (GSI’s) support for geography education(Abstract of 【TP201902-3】 )
    • 【TP201902-2】Takayuki Nakano, Hiroshi Une, Kazuki Yoshida, Satoshi Fujiwara, and Tomokazu Kobayashi:Evaluating earthquake-related ground failure mapping by combined traditional and modern methods(Abstract of 【TP201902-2】)
    • 【TP201902-1】Junko Iwahashi , Yoshiharu Nishioka(Geological Survey of Japan, AIST) , Daisaku Kawabata(Geological Survey of Japan, AIST), Akinobu Ando(Miyagi University of Education) , Hiroshi Une:Development of an online learning environment for geography and geology using Minecraft(Abstract of 【TP201902-1】)
  • Presented at the "SSA 2019 (Seismological Society of America 2019 Annual Meeting)" (23-26 Apr. 2019@ Seattle, USA) Mital, U.(Caltech), Young, A.(USGS),Iwahashi, J., Herrick, J.(USGS), Savvidis, A.(Texas Univ):A probabilistic framework for Vs30.(Abstract of this paper)
  • Presented at the AGU Fall Meeting 2018(10-14 Dec. 2018@Wasignton DC, USA.).
    • 【TP201810-2】Takayuki Nakano, Hiroshi Une, Hiroshi P. Sato(Nihon Univ.), Keitaro Komura(CRIEPI), Hiroshi Yagi(Yamagata Univ.): Geomorphological and geological characteristics of triggered surface faults associated with 2016 Kumamoto Earthquake sequence around the northwest of the outer rim of the Aso caldera, southwestern Japan
    • 【TP201810-1】Iwahashi, J., Yamazaki, D.(Tokyo Univ.), Herrick, J.(USGS), Yong, A.(USGS), Matsuoka, M. (Tokyo Inst. Tech.), Nakano, T., Mital, U.(Caltech), Savvaidis, A.(Texas Univ.): Development of terrain classifications as a proxy to estimate VS30.
  • Presented at the12th Joint Meeting of the UJNR Panel on Earthquake Research(24-26 Oct.@Kumamoto, Japan).
    • 【TP201807】Takayuki Nakano, Hiroshi Une, Hiroshi P. Sato(Nihon Univ.), Satoshi Fujiwara:Crustal deformation of the 2016 Kumamoto earthquake sequence (4) ―Geomorphological and geological settings of triggered surface ruptures―(Abstract of 【TP201807】 [PDF: 512KB]
  • Presented at the Geomorphometry2018(5th International Conference of the International Society of Geometry;13-17 Aug. 2018@Boulder, USA).【TP201803】Junko Iwahash, Takayuki Nakano, Dai yamazaki(Tokyo Univ.):Classificaion of topography in artifically modofied alluval plans using DEMs( Abstract of 【TP201803】[PDF:1.7MB] )

Researchers (FY 2021)

  • OHNO,Hiroyuki : Head of Division
  • TAMURA, Eiichi : Chief Researcher
  • IWAHASHI, Junko : Chief Researcher
  • NAKANO, Takayuki : Chief Researcher
  • ENDO,Ryo: Researcher

Research Projects (FY 2021)

■ Special study in GSI
  • Research on Improvement of Estimation Accuracy of "Seismic Ground Disaster Assessment System (SGDAS)" (2021-2025)
  • Research on automatic feature extraction using AI(2018-2022)
■ Study by competitive fund
  • Research on geography and geology learning support using gamification (Jun. 2018 - Mar. 2022) [supported by JSPS KAKENHI Grant Number 18K18548]

Paper in English

  • 【P202101】Iwahashi, J., Yamazaki, D., Nakano, T., Endo, R.(2021):Classification of topography for ground vulnerability assessment of alluvial plains and mountains of Japan using 30 m DEM. Prog Earth Planet Sci 8, 3 [The full text of【P202002】]

  • 【P202002】Satoshi Fujiwara, Takayuki Nakano, Yu Morishita (2020): Detection of triggered shallow slips caused by large earthquakes using L-band SAR interferometry. Earth, Planets and Space 72:119. DOI: 10.1186/s40623-020-01239-6 [The full text of【P202002】[PDF: 7.39MB]]
  • 【P202001】T. Nakano, R. Endo, H. Ohno, J. Iwahashi (2020): WATER AREA OBSERVATION EXPERIMENT USING OPTICAL SENSOR FOR EXTRACTING INUNDATION BOUNDARY AT NIGHT. International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, XLIII-B3-2020, 169-173. DOI: 10.5194/isprs-archives-XLIII-B3-2020-169-2020 [The full text of 【P202001】[PDF: 1.23MB]]  

  • 【P201906】Takayuki NAKANO, Hiroshi UNE, Kazuki YOSHIDA, Satoshi FUJIWARA, Tomokazu KOBAYASHI (2019): Evaluating earthquake-related ground failure mapping by combined traditional and modern methods. Advances in Cartography and GIScience of the ICA, 1, 14. DOI: 10.5194/ica-adv-1-14-2019 [The full text of【P201906】[PDF:6.95MB] ]
  • 【P201905】Satoshi Fujiwara, Takayuki Nakano, Yu Morishita, Tomokazu Kobayashi, Hiroshi Yarai, Hiroshi Une and Kyonosuke Hayashi (2019): Detection and interpretation of local surface deformation from the 2018 Hokkaido Eastern Iburi Earthquake using ALOS‑2 SAR data. Earth, Planets and Space, 71:64. DOI: 10.1186/s40623-019-1046-2 [The text of【P201905】[PDF:7.63MB] ]

  • 【P201802】Junko Iwahashi, Izumi Kamiya, Masashi Matsuoka and Dai Yamazaki(2018):Global terrain classification using 280 m DEMs: segmentation, clustering, and reclassification.Progress in Earth and Planetary Science,5(1)[Abstract of 【P201802】 ]

  • 【P201702】Junko Iwahashi, Hiromitsu Yamagishi (2017): Spatial comparison of two high resolution landslide inventory maps using GIS – a case study of the August 1961 and July 2004 landslides caused by heavy-rainfalls in the Izumozaki area, Niigata Prefecture, Japan. In: GIS Landslide (Hiromitsu Yamagishi and Netra Prakash Bhandary eds.), Springer, 13-29. Springer ISBN 978-4-431-54390-9, ISBN 978-4-431-54391-6 (eBook).
  • 【P201701】Satoshi Fujiwara, Yu Morishita, Takayuki Nakano, Tomokazu Kobayashi and Hiroshi 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 and Planetary Science Letters, 474C, pp. 457-465. DOI: 10.1016/j.epsl.2017.07.001

[past papers]

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