GSI Web Site

Various data and information on GSI are available at the Japanese GSI website: http://www.gsi.go.jp/ . This website includes pages on our activities, latest topics, press release, public announcements, public comments, procurement, recruit, Survey Act, technical guidance, registered surveyor, disaster measures, R&D etc.

Geographic information is also open to the public as below:
• Control point data (triangulation points, benchmarks)
• Data of GPS-based control stations and crustal movement
• Data on geoids, gravity and geomagnetism
• Topographic maps of 1:25,000 of the whole country
• Aerial photos (from year 1946 to now)
• Framework data
• Thematic maps
• Basic geographic data of Japan (area by municipality, lakes and marshes, mountain heights, etc.)
• Japanese Clearinghouse Gateway
• Denshi Kokudo (Digital Japan) Web System*
  *more than one thousand sites use this system.

English website provides just some of them and special contents for English.