Geological Survey of Japan, AIST

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News

  1. Exhibiting at the "AIST Chubu Center Open to the Public".
    GSJ will exhibit a "giant floor-covered geological map" that shows the resources of the Tokai region.
    Let's look for the source of glass and ceramic raw materials that are on the verge of depletion.
    Venue: AIST Chubu Center

    [posted on July 22, 2025]

  2. Updated data for the 1:200,000 Seamless Geological Map of Japan.
    In addition to adding and updating data for the 1:200,000 geological map "Toyama," we have corrected errors that were discovered after the previous update. The download file has also been updated.

    [posted on July 22, 2025]

  3. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    "Preliminary results of estimation of magma water mixing ratio and volcanic fluid temperature structure at Shinmoedake" has been posted.

    [posted on July 30, 2025]

  4. Information on the eruption of Mount Kirishima's Shinmoedake.
    Additional information submitted to the Headquarters for Volcanic Disaster Research and Promotion has been posted.

    [posted on July 25, 2025]

  5. Development of a new technique for mercury-free sterilization of water samples for future global environmental observations
    ― Overcoming the weaknesses of benzalkonium chloride sterilization and verifying its effectiveness ―
    (Continue to the AIST website.)

    [posted on July 24, 2025]

  6. A roundtable discussion with researchers will be held at AIST Open House 2025!
    Date: Tuesday, September 23rd, Venue: AIST Tsukuba Center (Tsukuba City, Ibaraki Prefecture)

    [posted on July 24, 2025]

  7. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    "Characteristics of particles constituting the Sakurajima Minami-dake eruption from July 5th to 7th, 2025" has been posted.

    [posted on July 23, 2025]

  8. Exhibiting at the "AIST Chubu Center Open to the Public".
    GSJ will exhibit a "giant floor-covered geological map" that shows the resources of the Tokai region.
    Let's look for the source of glass and ceramic raw materials that are on the verge of depletion.
    Venue: AIST Chubu Center

    [posted on July 22, 2025]

  9. Updated data for the 1:200,000 Seamless Geological Map of Japan.
    In addition to adding and updating data for the 1:200,000 geological map "Toyama," we have corrected errors that were discovered after the previous update. The download file has also been updated.

    [posted on July 22, 2025]

  10. Eruption information for Shinmoe-dake, Kirishima Volcano Group.
    "Overview of this eruption," "Characteristics of particles constituting the ejecta," and "Field investigation report (flash)" have been updated.

    [posted on July 17, 2025]

  11. Exploring the complex distribution and evolutionary history of Japanese freshwater crab from the genome
    ― Revealing population structure that cannot be discerned by color alone ―(This link is in Japanese only).

    [posted on July 16, 2025]

  12. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    "Mineral and glass chemical composition of volcanic ash particles from the Shinmoe-dake eruption on July 2-4, 2025" has been published.

    [posted on July 15, 2025]

  13. Eruption information for Shinmoe-dake, Kirishima Volcano Group.
    Additional information submitted to the Headquarters for Volcanic Disaster Research and Promotion has been posted.

    [posted on July 15, 2025]

  14. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    We have published "Quick report on CO2 isotope observations using drones and SelPS at Shinmoe-dake" and "Characteristics of volcanic ash particles from the Shinmoe-dake eruption on July 5-9, 2025."

    [posted on July 14, 2025]

  15. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    "Characteristics of volcanic ash particles from the Shinmoe-dake eruption on July 4-6, 2025" has been published.

    [posted on July 10, 2025]

  16. We will be holding a tour of the Geological Survey of Japan (GSJ)!
    We will be holding a tour for those who are interested in working as a researcher at the Geological Survey of Japan (GSJ).

    [posted on July 10, 2025]

  17. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    We have posted "Characteristics of volcanic ash particles at Shinmoe-dake from July 2nd to 4th, 2025," "Flash report on multi-gas observations by drone at Shinmoe-dake (July 5th, 2025)," and "Shinmoe-dake drone observation report: Condition of the crater on July 6th and the moment of the explosive eruption (flash report)."

    [posted on July 6, 2025]

  18. We will be exhibiting at the "METI Children's Day"
    GSJ will be exhibiting a booth called "Let's Observe Star Sand!" where you can make and observe foraminifera specimens.
    (Continue to the Cabinet Office website.)

    [posted on July 10, 2025]

  19. Summer special event "Let's explore! Active volcanoes visible from Koriyama"
    We will be holding a joint event with AIST FREA to learn about volcanoes and geology around Koriyama.
    Venue: Koriyama City Museum of History and Information
    (Continue to the AIST website.)

    [posted on July 7, 2025]

  20. Eruption information for Shinmoe-dake, Kirishima Volcano Group.
    The document submitted to the Headquarters for Volcano Research Promotion, "Formation of a new vent row at Shinmoe-dake (breaking news)/(follow-up)," has been posted.

    [posted on July 7, 2025]

  21. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    The document submitted to the Headquarters for Volcanic Disaster Research and Promotion, "Characteristics of Volcanic Ash Particles from the Shinmoedake Eruption on June 26-28, 2025," has been posted.

    [posted on July 3, 2025]

  22. Eruption information for Shinmoe-dake, Kirishima Volcano Group has been published.
    Survey results regarding the 2025 eruption of Shinmoe-dake, Kirishima Volcano Group have been published.

    [posted on July 3, 2025]

  23. Kumamoto City Museum "Geological Information Exhibition 2025 Kumamoto Support Project".
    At the Kumamoto City Museum, we will be exhibiting a "Geological Information Exhibition 2025 Kumamoto Support Project" corner (for details, see the Kumamoto City Museum website)

    [posted on July 2, 2025]

  24. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    The document submitted to the Headquarters for Volcanic Disaster Research and Promotion, "Characteristics of Volcanic Ash Particles from the Shinmoedake Eruption on June 26, 2025," has been posted.

    [posted on July 2, 2025]

  25. GSJ Chishitsu News Vol. 14 No. 7 has been published.

    [posted on July 1, 2025]

  26. 8th Mineral Visual Identification Training The purpose is to use actual minerals to understand their characteristics and acquire the ability to distinguish them.

    [posted on June 30, 2025]

  27. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    The document submitted to the Headquarters for Volcanic Disaster Research and Promotion, "Characteristics of Volcanic Ash Particles from the Shinmoe-dake Eruption on June 22, 2025," has been posted.

    [posted on June 27, 2025]

  28. About the establishment of the Nature Positive Nasunogahara Alliance.
    (Continue to AIST website.)

    [posted on June 25, 2025]

  29. Geological Information Exhibition 2025 Kumamoto - Land of Fire and Land of Water! Wonders of the Earth -
    We will hold a special exhibition, "Geological Information Exhibition 2025 Kumamoto", which will provide easy-to-understand explanations of the "geology" of Kumamoto. Venue: KUMAMOTO-JO HALL.

    [posted on June 17, 2025]

  30. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    The document "Characteristics of the Particles Constituting the Sakurajima Minami-dake Ejecta, Report 3" submitted to the Headquarters for Volcanic Disaster Research and Promotion has been posted.

    [posted on June 13, 2025]

  31. AIST specifications recommended in Cabinet Office's Smart City Guidelines Document
    Data PNG* has been featured as a recommended output specification in the Cabinet Office, Secretariat of Science, Technology and Innovation Policy's "Geospatial Data Collaboration Platform Ver. 2" (released May 23, 2025). * Devised by the Integrated Geo-information Research Group of the Research Institute of Geology and Geoinformation.
    (Continue to the Cabinet Office website.)

    [posted on June 12, 2025]

  32. Bulletin of the Geological Survey of Japan Vol.76 No.1/2 has been published.

    [posted on June 11, 2025]

  33. GSJ Chishitsu News Vol. 14 No. 6 has been published.

    [posted on June 10, 2025]

  34. Foraminifera host specific symbiotic algae in harsh shallow waters ― Elucidating compositional changes in symbiotic algae with depth ―(Continue to AIST website.)

    [posted on June 6, 2025]

  35. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    Two documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.

    [posted on June 6, 2025]

  36. Revealing Offshore Slow Earthquakes ― A Machine Learning-Driven Approach for Monitoring Tectonic Tremors in the Japan Trench ―(Continue to AIST website.)

    [posted on June 4, 2025]

  37. Documents submitted to the Headquarters for Volcanic Disaster Research and Promotion have been posted.
    The document submitted to the Headquarters for Volcanic Disaster Research and Promotion, "Characteristics of particles constituting the Sakurajima Minami-dake eruption from May 14th to 20th, 2025," has been posted.

    [posted on May 29, 2025]

  38. Revealing Offshore Slow Earthquakes ― A Machine Learning-Driven Approach for Monitoring Tectonic Tremors in the Japan Trench ―
    (Continue to AIST website.)

    [posted on May 22, 2025]

  39. Information of the Distribution Map of Large-Volume Ignimbrites No.5, Toya.
    Distribution Map of Large-Lolume Ignimbrites No.5 "Distribution Map of Toya Ignimbrite and associated deposits, Toya Caldera, Japan" was temporarily unavailable pending data verification.

    [posted on May 22, 2025]

  40. The Geological Survey of Japan (GSJ) will also be participating in the "Job Hunting Event" held by the JpGU Diversity Promotion Committee at JpGU2025!
    Venue: Makuhari Messe Exhibition Hall (around the poster venue)

    [posted on May 19, 2025]

  41. Indoor experiments and simulations to quantify the effect of air purifiers and air conditioning systems on the reduction of indoor particulate matter
    (Continue to AIST website.)

    [posted on May 19, 2025]

  42. FY2025 Training for Local Government Officials on Earthquakes, Tsunamis, Volcanoes, and Slope Disasters.
    (This link is in Japanese only.)

    [posted on May 15, 2025]

  43. May 10th Geology Day Exhibition "Meiji Era Geological Maps and Heritage Stones"
    On July 6th, 2024, the International Union of Geological Sciences (IUGS) recognized the granite of Mt. Tsukuba as one of the heritage stones (natural stone heritage).

    [posted on May 13, 2025]

  44. Simplified display function added to seamless geological map of Japan
    A function to display a simplified version (approximately 60 legends) has been released for the 1:200,000 seamless geological map of Japan V2.

    [posted on May 12, 2025]

  45. New viewer for seamless geological maps of Japan now available for trial
    We have started the trial release of the new 1:200,000 viewer for seamless geological maps of Japan V2, which features smoother switching between 2D/3D and improved display methods for position-specified legends.

    [posted on May 12, 2025]

  46. Nucleation of fault failure around hypocenters of large earthquakes ― Uncovering the role of ductile deformation in fault failure ―

    Nucleation of fault failure around hypocenters of large earthquakes
    ― Uncovering the role of ductile deformation in fault failure ―
    (Continue to AIST website.)

    [posted on May 12, 2025]

  47. Geological map of volcanoes No.24: “Ontake Volcano ― Publication of a geological map summarizing the accumulated research and progress over the 10 years since the 2014 eruption ― ”

    Geological map of volcanoes No.24 "Ontake Volcano"
    ― Publication of a geological map summarizing the accumulated research and progress over the 10 years since the 2014 eruption ―
    (Continue to AIST website.)

    [posted on April 30, 2025]

  48. Evaluating the adsorption of nanoplastics onto soil particles
    — A step forward in understanding their transport behavior —
    This research was conducted by Kyohei Tsuchida, Junko Hara (Integrated Research Center for Nature Positive Technology) and Yukari Imoto, Takeshi Saito (Research Institute for Geo-Resources and Environment).
    (Continue to AIST website.)

    Posted on April 7, 2025

  49. Geological information about the M7.7 earthquake that occurred in Mandalay, Myanmar on March 28, 2025.

    Posted on April 4, 2025

  50. 1:50,000 Geological Map "Kado" has been published, revealing the detailed geology of the Kitakami Mountains in Iwate Prefecture.
    (Continue to AIST website.)

    Posted on April 4, 2025

  51. Early release of Bulletin of the Geological Survey of Japan has been published.

    Posted on April 4, 2025

  52. Geological information about the slope collapse at Kamihanbara (National Route 158), Ono City, Fukui Prefecture on March 19, 2025.

    Posted on April 2, 2025

  53. GSJ Chishitsu News Vol. 14 No. 4 has been published.

    Posted on April 1, 2025