Geological Survey of Japan, AIST

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The following head lines are translated from Japanese into English using machine translation. Most of linked pages from head lines are Japanese, so please use machine translation service on your web browser to translate them into your native language.

  1. 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]

  2. 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]

  3. 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]

  4. 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]

  5. 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]

  6. 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]

  7. 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]

  8. 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]

  9. 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]

  10. 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]

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