• GGOS Governing Board Meeting


    GGOS

    The governing-board meets on the weekend before EGU General Assembly 2025 (online or in-person): Date: Saturday, April 26 Time: 09:00 - 12:30 (CEST, UTC+2) Venue: TU Wien - Gußhausstraße 27-29, 1040 Vienna […]

  • IAG Geodesy Reception 2025


    IAG

    Details: The Geodesy Reception 2025 will take place at: Date: Tuesday, April 29, 2025 Time: 19:00-22:00 Venue: BEV – Federal Office of Metrology and Surveying Address: Schiffamtsgasse 1-3, 1020 Vienna […]

  • EGU General Assembly 2025 – GGOS


    EGU

    The EGU General Assembly 2025 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. The EGU aims to […]

  • Seafloor and marine geodesy splinter meeting


    ICCM

    Marine and submarine geodesy is needed for a wide range of applications such as evaluating stress building near tectonic plate boundaries, monitoring underwater volcanic activity, precise seafloor mapping or engineering. […]

  • Tour de l’IGS 7th Stop: Spotlight on Africa


    Commission 1

    This 7th stop focuses on the African continent. Virtual Organising Committee: Fernand Balé (Bureau National d’Etudes Techniques et de Développement, Côte d’Ivoire) and Babatunde Rabiu (National Space Research and Development […]

  • EUREF Symposia 2025 + AC Workshop


    Commission 1

    The Local and Scientific Organizing Committees are pleased to announce that the next EUREF Symposium will take place from 24 to 26 June 2025, at the University of Beira Interior, […]

  • ESA Living Planet Symposium 2025

    • Sponsorship/Co-Organised:
    • ESA
    • NASA

    Commission 2

    ESA-NASA Joint session C.02.05 “MAGIC – Preparing for the ESA-NASA satellite gravity constellation”. 25/06/2025, Part 1, 14:00 - 15:30, Room 0.94/0.95 25/06/2025, Part 2, 16:15 - 17:45, Room 0.94/0.95 A.10.02 […]

  • 1st GGOS IberAtlantic Summer School


    📚 Education & Training

    Location: Yebes Observatory, Cerro de la Palera, s/n, 19141 Yebes, Guadalajara, Spain Organizers: GGOS IA, IGN, Yebes Observatory, RAEGE-Az Sponsors: IGN Spain, RAEGE-Az, ROA Parteners: National Geographic Institute of Spain (IGN […]

  • GRACE Hackweek 5


    📚 Education & Training

    An online school on time-variable gravity from GRACE and GRACE-FO satellite missions Satellite gravimetry has become an indispensible tool for studying the earth system. The satellite missions CHAMP, GRACE/GRACE-FO and […]

  • South African National Geodesy Workshop

    • Sponsorship/Co-Organised:
    • DLRRD
    • NRF-SARAO
    • SANSA
    • UCT
    • UKZN

    South African Astronomical Observatory (SAAO) Auditorium SAAO, 1 Observatory Rd, Observatory, Cape Town, Cape Town, South Africa
    GGOS

    Towards a National Geodesy Working Group for South Africa Geodesy — the science of measuring the Earth’s shape, orientation, gravity field, and changes over time — is the foundation of modern mapping, positioning, land administration, infrastructure, and climate monitoring. South Africa has a proud history in terrestrial and space geodesy, from early triangulation networks to […]

  • GRACE-FO Science Team Meeting 2025

    • Sponsorship/Co-Organised:
    • NASA

    Commission 2

    The 2025 GRACE-FO Science Team Meeting will take place from Oct 7-9, 2025, in Boulder, CO (USA), at the University of Colorado, Boulder, in the Village Center! This meeting will […]

  • 34th CODATA General Assembly


    🌐 Other

    The 34th CODATA General Assembly will take place on 17-18 October 2025 in Brisbane, Australia, and online. See the letter from CODATA President convening the General Assembly on the dates […]

  • 10th International VLBI Technology Workshop (IVTW)


    IVS

    The 10th International VLBI Technology Workshop (IVTW)  will take place October 21-25, 2025. The meeting will be hosted by Chalmers University of Technology, Onsala Space Observatory, in Gothenburg, Sweden. The scope of […]

  • IDS DORIS School | DORIS Days 2025

    • Sponsorship/Co-Organised:
    • IDS

    📚 Education & Training

    The IDS is organizing a new edition of the “DORIS Days" designed to offer both a foundational and hands-on experience with DORIS and the IDS community, tailored especially to early-career […]

  • DORIS Analysis Working Group Meeting


    IDS

    Dates: November 6 (full day) & 7 (morning), 2025 Local host: Maria Tsakiri (NTUA) Meeting location: National Technical University of Athens, Greece – Patision Campus 28th Oktovriou (Patision) Avenue No 42, 10682 […]

  • “Talks on GIA” seminar


    📚 Education & Training

    "Talks on GIA" seminar - Constraining GIA where the mantle is heterogeneous AND Community Priorities for GNSS Measurements We will have two presentations. Erica Lucas (University of California, Santa Cruz, […]

  • “Talks on GIA” seminar


    Commission 3

    Helio Guerra Neto and Jeff Freymueller from Michigan State University, East Lansing, USA, will present "GIA in the Great Lakes Basin: A Geodetic Perspective on Vertical Motion and Hydrological Loading" […]

  • AGU25 – GGOS Session


    AGU

      The AGU Annual Meeting 2025 brings together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary, and space sciences. GGOS is planning […]

  • PhHS-IHRF2026 – Int. Symposium on Physical Height Systems and the IHRF

    • Sponsorship/Co-Organised:
    • GGOS
    • IAG SC2.2
    • IGFS
    • IHRF CC
    • SC2.4

    Commission 2

    The PhHS-IHRF2026 symposium will be held in Riyadh, Saudi Arabia from 7-9 April 2026. It focuses on observing and interpreting the Earth's gravity field and geoid, emphasizing height systems and the International Height Reference Frame (IHRF). This Joint IAG Symposium is co-organized by IAG Sub-Commissions 2.2 and 2.4, IGFS, and GGOS.

  • ENC2026 European Navigation Conference

    • Sponsorship/Co-Organised:
    • ENC
    • EUGIN
    • OVN

    Commission 4

    We are pleased to announce the next edition of the European Navigation Conference series, ENC 2026, will take place in Vienna, April 28-30, 2026. The ENC-series is now widely acknowledged […]

  • EGU General Assembly 2026


    EGU

    Abstract Submission Deadline: Thursday, 15 January 2026, 13:00 CET EGU 2026 website: https://www.egu26.eu

  • IAG Geodesy Reception 2026

    • Sponsorship/Co-Organised:
    • EGU
    • IAG

    IAG

    The Geodesy Reception 2026 is planned to take place in the evening during one of the weekdays of the EGU General Assembly 2026 (May 4–7, 2026). The exact date, time, […]

  • JpGU-AGU Joint Meeting 2026

    • Sponsorship/Co-Organised:
    • JpGU AGU

    AGU

    JpGU-AGU Joint Meeting 2026 is the first joint meeting with AGU since 2020. As in recent years, we plan to hold the meeting in the hybrid format, mixing on-site (at […]

  • FIG CONGRESS 2026


    FIG

    FIG and the local organisers are looking forward to welcoming you to Cape Town. Reserve the dates:  24-29 May 2026 The four congress dates are 25-28 May 2026 and the […]

  • IGS Workshop 2026


    GGOS

    Chile – where the crust trembles daily and even a traditional cocktail is nicknamed the “Earthquake” – will become the epicenter of an unprecedented scientific gathering in South America. On […]

  • VieVS Days 2026


    📚 Education & Training

    The two-day workshop will cover the basics of analysing VLBI geodetic data, simulations and scheduling. Participants will have the opportunity to apply their learning through hands-on exercises utilising VieVS & […]

  • IAG Commission 3 – TIGER Symposium in Geodesy


    Commission 3

      We will be hosting three consecutive meetings in Gävle (Sweden) in autumn 2026. Please join us for: Tracking and Investigating Geodynamics and Earth Rotation - TIGER Symposium in Geodesy […]

  • GGOS Days 2026 + GGOS Topical Meeting on Geohazards


    GGOS

    We will be hosting three consecutive meetings in Gävle (Sweden) in autumn 2026. Please join us for: Tracking and Investigating Geodynamics and Earth Rotation - TIGER Symposium in Geodesy (the […]

  • 4. ICCC Workshop Geodesy for Climate Research


    GFZ - Helmholtz Centre for Geosciences Telegrafenberg, Potsdam, Germany
    ICCC

    The 4. ICCC Workshop on Geodesy for Climate Research will take place as a hybrid event in Potsdam, Germany and online everywhere. More information to follow in spring 2026.