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Meet Julia Pfeffer – Early Career Scientist

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Julia Pfeffer is a French research engineer specializing in monitoring the global water cycle through satellite geodetic measurements. Since 2020, she has led satellite gravimetry activities at Magellium and currently heads major ESA and CNES projects. With a PhD in Geophysics, she has contributed to GRACE solutions, developed key geodetic datasets, and authored over 25 scientific publications.

International Geological Congress IGC 2028 – First Circular

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CGU joins IGC 2028 in Calgary (Aug 12–20). Submit Geomatics & Geodesy sessions (gravity, GNSS, tectonics, hydrology, sea level) by March 2027 to highlight geodesy’s role in global challenges.

Annual Report 2025 of IAG to IUGG

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ACTIVITIES IAG Scientific Assembly 2025 IAG has held its quadrennial Scientific Assembly halfway through its four-year term 2023-2027. It took place in-person in Rimini (Italy) on September 1-5, 2025. Under the theme “Geodesy for a changing…

TIGER Symposium in Geodesy 2026 – Abstract deadline approaching

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This is a friendly reminder that the abstract submission and travel support deadline for the TIGER Symposium in Geodesy 2026 taking place between September 28th and October 1st, 2026, in Gävle (Sweden) & online, is on April 15th – only…

Summer School: Satellite-Based Hydrological Data Assimilation

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Registration is open for the Summer School of "SATELLITE-BASED HYDROLOGICAL DATA ASSIMILATION", August 25-28, 2026, which will be hosted by the Geodesy Research Group of Aalborg University, Denmark. Please register here; and the deadline is…

Meet Guilhem Chicot – Early Career Scientist

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Guilhem Chicot is a French early-career scientist in geophysics and a PhD student at the Royal Observatory of Belgium and KU Leuven. His research explores how geophysical fluids such as the atmosphere, oceans, and hydrosphere influence Earth’s rotation, with a focus on understanding the impacts of climate change on timekeeping and positioning systems.

Geodesy for a Resilient Africa Summer School (2026)

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Registration is now open for the Geodesy for a Resilient Africa Summer School 2026, an intensive hands-on training in Limbé, Cameroon (29 June–3 July 2026) focused on using geodetic and satellite data for climate resilience. Open exclusively to African students, researchers, and practitioners. Registration runs from 6 February to 8 March 2026.

New Website: Discover the Importance of VLBI for Geodesy and Society

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This accessible and visually engaging explainer introduces the fundamentals of Very Long Baseline Interferometry (VLBI) and shows how radio telescopes around the globe measure distances of thousands of kilometres with millimetre precision. It highlights contributions to the International Terrestrial Reference Frame, satellite navigation, and Earth observation, and showcases Australia’s role in global VLBI operations.

XI Hotine-Marussi Symposium – Call for Papers

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It is both our privilege and pleasure to invite you to the XI Hotine-Marussi Symposium, to be held in Genoa, Italy, September 7–11, 2026, under the scientific coordination of the Intercommission Committee on Theory (ICCT) of the International Association of Geodesy (IAG). Abstract submission deadline is April 19, 2026.

Call for IAG proposals for the IUGG Grants Program 2024-2027

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The 2nd call for proposals for 2026–2027 is now open. Projects must involve at least two IUGG bodies, follow open science principles, and address scientific and societal challenges. Proposals via IAG must be submitted by 13 March 2026 for internal selection.