International Training Course for CCOP Member Countries


  1. The southern Ryukyu Islands have been repeatedly hit by gigantic tsunamis-the study proves

    [posted on January 31, 2018]

  2. Deciphering the history of human-induced ocean acidification recorded in coral reefs

    [posted on January 31, 2018]

  3. Assistant Director General Masahiko Makino and GSJ members attended the 53rd CCOP Annual Session on 16-18 October 2017.

    [posted on January 11, 2018]

  4. GSJ and the Geological Survey of Austria (GBA) have signed the MOU on 31 October 2017.

    [posted on November 24, 2017]

  5. A numerical model for geochemical processes to understand the recurrence intervals of earthquakes
    - Formation of extensional quartz veins potentially controls recurrence intervals of earthquakes in subduction zones -

    [posted on November 24, 2017]

  6. The geological history of Japanese Islands recorded in northernmost part of the Japan Alps
    -“Tomari”, 1:50,000 quadrangle geological map -

    [posted on October 31, 2017]

  7. The map tells the reason why fossils of a dinosaur was found there
    - “Toba”, 1:50,000 quadrangle geological map -

    [posted on October 6, 2017]

  8. New method to directly assess the corrosion risk of water pipes
    - Soil investigation using high-frequency AC resistivity measurement -

    [posted on September 5, 2017]

  9. Complete revision of the Seamless Geological Map of Japan at 1:200,000
    - highly detailed online geological map with a hierarchical legend system has been released -

    [posted on August 22, 2017]

  10. Moon image from TERRA/ASTER
    -Terra ASTER performed a Moon and deep space observation on August 6th 2017 [JST] for radiometric calibration

    [posted on August 17, 2017]


Recent publication

  • Marine Geology Map No.89 (CD) Geological Map of Hibiki-nada
  • Miscellaneous Map Sr. 41 Seamless Digital Geological Map of Tochigi Prefecture
  • Geological Map of Japan 1:50,000. TOBA
  • Geological Map of Japan 1:50,000. TOMARI
  • Marine Polymetallic Mineral Deposits in the Vicinity of the Japanese Islands, Northwest Pacific ( 2nd ed.)
  • Geological Map of Japan 1:50,000. KAN-ONJI
  • Gravity Map (Bouguer Anomalies) 32 Gravity Map of Wakayama District
  • Soils Assessment Map 7 Geochemical and risk assessment map of subsurface soils of Kochi Prefecture

Catalogue of Geological Maps and Purchase guide