Geospatial Information Authority of Japan (GSI) Announces Temporary Service Outage for Online Map Services in May 2025,国土地理院


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Geospatial Information Authority of Japan (GSI) Announces Temporary Service Outage for Online Map Services in May 2025

The Geospatial Information Authority of Japan (GSI), the national mapping agency responsible for surveying and mapping Japan, has announced a temporary suspension of its online map browsing services in May 2025. This announcement, published on May 9, 2025, highlights a planned maintenance period that will impact public access to important geospatial data.

Key Details:

  • Date of Announcement: May 9, 2025 (令和7年5月9日)
  • Nature of Announcement: Notice of a temporary suspension of various map browsing services.
  • Reason: The announcement specifies that the outage is due to planned maintenance. (Likely system upgrades or updates)
  • Impact: During the downtime, users will be unable to access and utilize online map data provided by GSI.

What This Means for You:

If you regularly use GSI’s online map services for any purpose, you should be aware of this planned downtime. This includes services like:

  • Basic Map (Base Map) Tiles: Used by many websites and applications for providing map backgrounds.
  • Elevation Data: Used for creating terrain models and analyzing elevation changes.
  • Geographic Names and Place Information: Crucial for identifying locations and landmarks.
  • Other Geospatial Datasets: Various layers of information such as land use, infrastructure, and administrative boundaries.

Why is GSI’s Mapping Information Important?

GSI plays a vital role in providing accurate and up-to-date geographic information about Japan. Their services are used by a wide range of individuals and organizations, including:

  • Navigation Applications: Apps like Google Maps, Apple Maps, and others often rely on GSI data as a foundation for their mapping.
  • Disaster Response: GSI data is critical for planning and responding to natural disasters like earthquakes, tsunamis, and floods. Accurate maps and elevation data are essential for assessing risk and coordinating relief efforts.
  • Urban Planning and Development: Government agencies and private companies use GSI data for planning new infrastructure, managing land use, and developing sustainable communities.
  • Scientific Research: Researchers in various fields, such as geology, geography, and environmental science, rely on GSI data for their studies.
  • General Public: Anyone who needs accurate maps and geographic information about Japan can benefit from GSI’s services.

Recommendations:

  • Plan Ahead: If you anticipate needing GSI map data around the specified date, try to download or access the necessary information before the outage begins.
  • Check GSI’s Website: Visit the official GSI website (gsi.go.jp) for the most up-to-date information about the outage, including the exact start and end times. Also, look for any alternative data sources that might be available during the maintenance period.
  • Contact GSI Directly: If you have urgent needs or specific concerns, you can contact GSI directly through their website or by phone.

In Conclusion:

The temporary suspension of GSI’s online map services is a planned event to improve their systems. By being aware of the outage and planning accordingly, users can minimize any disruption to their workflows and continue to benefit from GSI’s valuable geospatial data. Always refer to the official GSI website for the latest details and updates.


令和7年5月12日 各閲覧サービスの一時停止について


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The following question was used to generate the response from Google Gemini:

At 2025-05-09 05:00, ‘令和7年5月12日 各閲覧サービスの一時停止について’ was published according to 国土地理院. Please write a detailed article with related information in an easy-to-understand manner. Please answer in English.


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