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IAG Structure Change: Splitting of Commission 4 & new IDEA Representative

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From 2027, the IAG splits Commission 4 into Commission 4 (PNT) and Commission 5 (Atmosphere and Space Weather), and adds a voting IDEA representative to the Executive Committee. Effective July 2027 after the IUGG Assembly.

New GGOS Video: Gravity – The Invisible Force Shaping Our Earth

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Discover how gravity reveals changes in ice, water, sea level and Earth’s interior. The new 8-minute GGOS video explains gravity and its role in geodesy in an accessible way. Available with narration in 11 languages and subtitles in 9 more.

Call for Nominations for IAG Officers (2027–2031)

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Call for nominations for IAG Officers for 2027–2031. The IAG community is invited to nominate candidates for the next IAG leadership. Deadline for nominations: 31 October 2026.

Geodesy for Safer Societies: Join the GGOS Topical Meeting on Geohazards

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Join the GGOS Topical Meeting on Geohazards on 2 October 2026 in Gävle or online. Explore how GNSS, InSAR and other geodetic techniques support hazard monitoring, early warning and safer societies. Participation is free. Registration required.

Geodesy in Action: GNSS and InSAR Reveal Coseismic Deformation in Venezuela

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Introduction On June 24, 2026, north-central Venezuela was struck by two major earthquakes less than one minute apart. Preliminary USGS solutions reported an Mw 7.2 event at 22:04:34 UTC and an Mw 7.5 event at 22:05:11 UTC, followed by an M…

TIGER Symposium in Geodesy 2026 – Programme online and early-bird deadline approaching

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We would like to inform you that the programme of the TIGER Symposium in Geodesy 2026 is now available online: TIGER 2026. A general overview can be found on the website: Programme In addition, the deadline for in-person early-bird registration…

Geodesy Glossary: A Reference Guide to Geodetic Terminology

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A living reference for geodetic terms and abbreviations, linked across IAG website for up-to-date explanations. We are open for updates, corrections, links and contributions from the community.

GGHS2026 – 12-16 October 2026 – New Delhi, India

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I would like to draw your attention to the Gravity, Geoid and Height Systems 2026 (GGHS-2026) conference, to be held from 12–16 October 2026 in New Delhi, India. GGHS-2026 brings together the international geodetic and geophysical community…

Webinar: A Synergy between EUREF and EPOS: GNSS Data Quality Monitoring Service (DQMS)

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EPOS-GNSS 2026 webinar on 11 June, 10:00–11:00 CEST: Fikri Bamahry presents ROB’s GNSS Data Quality Monitoring Service for EUREF stations, including indicators and visualization tools.

TIGER Symposium in Geodesy 2026 – Extension of abstract and travel support deadline

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TIGER Symposium in Geodesy 2026: Abstract & travel support deadline extended to May 12. Symposium Sept 28–Oct 1 (Gävle & online). Funding available, esp. for ECS.