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FreeGovernmentJapan, Asia

Geological Survey of Japan (AIST) Database Collection

Database collection of the Geological Survey of Japan (AIST), including digital hydrogeological maps, groundwater and subsurface-structure databases accessible online by keyword/category search.

gsj.jp

At a glance

Region
Japan (Asia)
Coverage
National (Japan)
Access
Free
Category
Government
Last updated
2025

What's inside

  • hydrogeology
  • groundwater maps
  • subsurface

What you can do with it

Typical work that data of this type supports.

  1. 01

    Trend hotspots

    Find where water tables are falling year after year.

    Because it has: hydrogeology

  2. 02

    Recharge planning

    Site recharge structures and new borewells with evidence.

  3. 03

    Water budgets

    Estimate draft and recharge for a block, district or basin.

Where AI adds value

Ideas for machine learning and AI agents built on this kind of data.

  1. 01

    Gap filling

    Rebuild missing well readings from neighbours, rainfall and season.

  2. 02

    Level forecasts

    Forecast pre- and post-monsoon levels well by well.

  3. 03

    Stress mapping

    Combine wells with satellite gravity and rainfall to map aquifer stress.

All water data sources in Japan

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