Commission 3
Advancing research on Earth rotation and geodynamics
Commission 3 studies Earth’s dynamic processes through the analysis of geodetic data, focusing on Earth’s rotation, deformation, and internal structure. Its objectives include advancing research on Earth rotation, geodynamics, and natural hazards, while improving models and measurements for accurate geodetic solutions. The commission promotes collaboration, data exchange, and the development of new geodetic techniques to enhance understanding of Earth’s physical processes.
Commission 3 – Latest News
TIGER Symposium in Geodesy 2026 – Abstract submission and registration open
February 4, 2026/by admin21st WEGENER ASSEMBLY – Tirana, Albania, October 13–15, 2026
January 13, 2026/by adminCanadian Geophysical Union 2026 Scientific Meeting – Call for Abstracts
November 24, 2025/by adminNew IAG Publications | Geodesist’s Handbook 2024 & IAG Travaux 2023–2025
November 20, 2025/by Martin SehnalTIGER Symposium in Geodesy 2026 | Save the date: Sept. 28 – Oct. 1
October 23, 2025/by adminMeeting Summary – Glacial Isostatic Adjustment Workshop 2025
July 23, 2025/by adminWelcome to the New IAG Website
June 2, 2025/by admin20th International Symposium on Geodynamics and Earth Tides
October 6, 2023/by adminCommission 3 – Upcoming Events

Talks on GIA Seminar
5 March | 07:00 - 08:00 AEDT
GeodCon-26
11 March - 13 MarchIndian National Science Academy (INSA), New Delhi
EPOS days 2026
16 March - 20 MarchPalazzo Doglio hotel conference centre
IAG Geodesy Reception 2026
5 May | 19:00 - 21:45 CEST BEV – Federal Office of Metrology and Surveying
IAG Commission 3 – TIGER Symposium in Geodesy
28 September - 1 OctoberGävle, SwedenDon’t miss any News, Events or Jobs!
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IAG Related Organisations
IAG collaborates closely with numerous organizations within geodesy and beyond. See the list for details.
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This website is provided by the IAG Secretariat and the GGOS Coordinating Office, which are hosted by the BEV – Federal Office of Metrology and Surveying (Bundesamt für Eich- und Vermessungswesen) in Vienna, Austria.
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