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Allison Craddock

IAG Participates in the 16th Session of UN-GGIM

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IAG participated as an observer in the 16th session of UN-GGIM in New York. Its intervention highlighted the need to protect radio frequencies used for geodetic VLBI and reaffirmed IAG’s commitment to strengthening a sustainable, resilient global geodetic infrastructure and the Global Geodetic Reference Frame.

Geodesy for a Resilient Africa Summer School 2026

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This event brought 30 early career scientists from 12 African countries to AIMS Cameroon for hands-on training in geodesy and Earth observation. The programme built practical skills, pan-African collaboration, science-to-policy capacity, and a lasting tide-gauge facility in Limbe for coastal resilience.

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.

In Memoriam: Professor Byron D. Tapley (1933–2026)

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Professor Byron Tapley (1932–2026), pioneer of space geodesy and GRACE Principal Investigator, passed away. He transformed Earth observation and satellite gravimetry. His scientific leadership, mentorship and legacy shaped generations worldwide.

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.

FIG Congress 2026

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Franck Ghomsi @ FIG Congress 2026   Franck Ghomsi, our early career representative (ECS) of the Inter-Commission Committee on Climate Research (ICCC), attended the recent FIG Congress and represented the IAG ECS group there. FIG is the…

Meet Jorge Martinez – Early Career Scientist

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Jorge Martinez is a Spanish aerospace engineer specializing in orbit determination and planetary science. He analyzes spacecraft data to reconstruct trajectories and study the internal structure and evolution of planets and moons. Currently working at the Royal Observatory of Belgium, he is preparing to pursue a PhD focused on advancing data processing methods and uncertainty estimation in space research.

Honorary colloquium for Prof. Torge and Prof. Seeber at Leibniz University Hannover

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Honorary colloquium on the occasion of the 95th birthday of Prof. Wolfgang Torge and the 85th birthday of Prof. Günter Seeber at Insitute of Geodesy, Leibniz University Hannover, Germany The keynote lecture "Hochstabile GNSS-Positionierung…

Geodesy Day – International Webinar on Geodesy

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“Every map ever drawn. Every satellite ever launched. Every border ever defined. All rest upon one science… Geodesy” About the Event What if the science that holds our modern world together remains largely invisible to those who…

Geodesy Cartoons – Free Resources for Education and Outreach

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Discover the Geodesy Cartoons by IAG & GGOS — freely available under CC-BY for education, outreach, presentations & science communication. And follow the weekly #CartoonOfTheWeek initiative.