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  • AGU

    AGU Annual Meeting 2025

    • Category:
    • AGU

    New Orleans, USA New Orleans, United States
    AGU

    Event Category: agu

  • Webinar – AI For GNSS Remote Sensing

    • Category:
    • GGOS

    GGOS

    This online meeting of the IAG GGOS Joint Study Group on AI for GNSS Remote Sensing (open to non-members) brings together researchers and practitioners to discuss recent advances in artificial intelligence […]

  • “Talks on GIA” seminar 3

    • Category:
    • Commission 3

    Commission 3

    Mirjam Bilker-Koivula (Finnish Geospatial Research Institute) and Holger Steffen (Lantmäteriet, Sweden), will present "The Whys and Hows of Dealing with Glacial Isostatic Adjustment in a Mapping Authority" Glacial isostatic adjustment […]

  • Women in scientific organizations

    • Category:
    • ECS
    • IUGG

    ECS

    An event to mark the International Day of Women and Girls in Science on 11 February 2026 the International Science Council (ISC), InterAcademy Partnership (IAP) and Standing Committee for Gender […]

  • GNSS-EPOS Webinar, with Dr. Marianne Métois

    • Category:
    • Commission 3

    Commission 3

    We are pleased to invite the GNSS-EPOS community to the inaugural session of our 2026 webinar series, featuring guest speaker Dr. Marianne Métois from the Laboratoire de Géologie de Lyon. […]

  • UAW REFAG Munich 2026

    Munich 2026 | REFAG Symposium + Unified Analysis Workshop UAW

    • Category:
    • Commission 1
    • GGOS
    • IAG Services
    • IERS

    LDBV - Landesamt für Digitalisierung, Breitband und Vermessung Alexandrastraße 4, Munich, Germany
    Commission 1

    The Technical University of Munich (TUM) is proud to lead global geodetic research as it currently holds the presidents of Commission 1 “Reference Frames” of the International Association of Geodesy […]

  • UAW2026: GGOS/IERS Unified Analysis Workshop 2026

    • Category:
    • GGOS
    • IERS

    Munich, Germany Munich, Germany
    GGOS

      Under the umbrella of the International Association of Geodesy (IAG), the IAG’s Global Geodetic Observing System (GGOS) and the International Earth Rotation and Reference Systems Service (IERS) periodically hold […]

  • Talks on GIA Seminar

    • Sponsorship/Co-Organised:
    • and PALSEA.
    • SCAR-INSTANT Theme 2
    • Category:
    • Commission 3
    • IACS

    Commission 3

    Paul Tregoning (Australian National University, Canberra, Australia), will present "A tool to assess the accuracy of glacial isostatic adjustment predictions of present-day crustal uplift rates" While there are many global […]

  • GeodCon-26

    • Sponsorship/Co-Organised:
    • India
    • Regional Centres for Geodesy
    • Category:
    • IAG

    Indian National Science Academy (INSA), New Delhi New Delhi, India
    IAG

    GeodCon-26 is a premier national symposium bringing together researchers, professionals, policymakers, and industry leaders to discuss recent advancements in geodetic science and its applications. The conference highlights innovations in Earth observation, reference frames, satellite and ground-based measurements, and the integration of emerging technologies such as AI and cloud computing. Through expert tutorials, technical sessions, and collaborative workshops, GeodCon-26 aims to strengthen geodetic capacity and position India at the forefront of global geospatial science.

  • Tracking Mountain Aquifer using Space Geodesy

    • Sponsorship/Co-Organised:
    • IAG
    • Category:
    • Commission 3

    Commission 3

    Tracking Mountain Aquifer Storage and Discharge Using Space Geodesy: Using high-precision GNSS surface displacements, this study quantifies groundwater storage changes in the Sierra Nevada and Cascade ranges. Results show long-term depletion due to droughts but rapid recharge during extreme precipitation events, which can restore and sustain groundwater storage and influence regional water supply and ecosystem resilience.

  • EPOS days 2026

    • Category:
    • Commission 3
    • IAGA
    • IASPEI
    • IAVCEI
    • IGETS
    • IGS
    • 🌐 Other
    • 📚 Education & Training

    Palazzo Doglio hotel conference centre Cagliary, Italy
    📚 Education & Training

    EPOS Days is the flagship annual conference of the European Plate Observing System (EPOS), bringing together researchers, data providers, and infrastructure developers from across Europe to advance collaboration in solid […]

  • IGETS SG Technical Workshop

    • Sponsorship/Co-Organised:
    • GWR
    • IGN-SPAIN
    • Category:
    • IGETS

    Yebes Observatory Cerro de la Palera, s/n, Yebes (Guadalajara), Spain
    IGETS

    This Technical Workshop aims to bring together operators, users, and manufacturers of superconducting gravimeters to share, collect and transmit knowledge and experiences, providing a forum to discussing instrumental challenges, processing […]

  • Hydrologic Signature in Geodetic Observations

    • Sponsorship/Co-Organised:
    • Commission 3
    • IAG
    • WG3.1 Hydrologic Signature in Geodetic Observations
    • Category:
    • Commission 3

    Commission 3

    We announce a seminar by Wenjin Chen on algorithms and software for efficient gravity forward modeling of hydrological mass changes. The talk reviews methods in Cartesian and spherical systems, comparing accuracy and efficiency of modeling approaches, and highlights trade-offs between realism and computation, with applications to hydrological mass change analysis.

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

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

    General Authority for Survey and Geospatial Information (GEOSA) Riyadh, Kingdom of Saudi Arabia
    GGOS

    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.

  • 14th IVS General Meeting 2026

    • Sponsorship/Co-Organised:
    • IVS
    • Category:
    • IVS

    Congress House Garmisch-Partenkirchen, Germany
    IVS

    The 14th General Meeting of the International VLBI Service for Geodesy and Astrometry (IVS) is the biennial general assembly of the geodetic/astrometric VLBI community. All IVS Associate Members and individuals […]

  • International Scientific Conference

    • Category:
    • Commission 2
    • Commission 4
    • ICCC
    • IUGG

    University of Latvia, House of Sciences Jelgavas str. 3, Riga, Latvia
    Commission 2

    This conference explores Earth’s internal and external processes and their interaction with the space environment. It covers crust and mantle dynamics, tectonics, seismicity, and variations in gravitational and magnetic fields, as well as satellite and geodetic methods, fostering interdisciplinary collaboration across geophysics, geology, geodesy, and space sciences.

  • ENC2026 European Navigation Conference

    • Sponsorship/Co-Organised:
    • ENC
    • EUGIN
    • OVN
    • Category:
    • Commission 4
    • IGS
    • 🌐 Other

    Austria Center Vienna Bruno-Kreisky-Platz 1, Vienna, Austria
    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

    • Category:
    • EGU

    Vienna, Austria Vienna, Austria
    EGU

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

  • Geodesy Reception 2025 EGU

    IAG Geodesy Reception 2026

    Featured
    • Sponsorship/Co-Organised:
    • BEV
    • DGFI-TUM
    • EGU
    • GFZ
    • GGOS
    • IAG
    • Category:
    • ECS
    • EGU
    • GGOS
    • IAG

    BEV - Federal Office of Metrology and Surveying Schiffamtsgasse 1-3, Vienna, Austria
    IAG
    Registered people: 123 / 123

    The Geodesy Reception 2026 took place on Tuesday, May 5 (19:00-21:45) during the EGU General Assembly 2026. It was hosted for the third time at BEV (Federal Office of Metrology […]

  • Talks on GIA Seminar

    • Sponsorship/Co-Organised:
    • PALSEA.
    • SCAR-INSTANT Theme 2
    • Category:
    • Commission 3
    • IACS

    Commission 3

    Allie Coonin (Brown University, Providence, USA) and Tamara Pico (University of California, Santa Cruz, USA) will present: "Transient Earth Rheology Temporarily Slows West Antarctic Ice Retreat in Future Climate Projections" […]

  • Canceled Hydrologic Signature in Geodetic Observations

    • Sponsorship/Co-Organised:
    • University of Trieste
    • Category:
    • Commission 3

    Commission 3

    We are pleased to announce our third seminar hosted by the IAG Working Group 3.1. Christian Massari will present on hydrologic variability in Europe and beyond using satellites and in situ sensors. The seminar will be held on May 13; further details and the link will be provided later.

  • JpGU-AGU Joint Meeting 2026

    • Sponsorship/Co-Organised:
    • JpGU AGU
    • Category:
    • AGU

    JpGU-AGU Joint Meeting 2026 Chiba, Japan
    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 - International Federation of Surveyors

    FIG CONGRESS 2026

    • Category:
    • FIG

    Cape Town, South Africa Cape Town, South Africa
    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

    • Category:
    • GGOS
    • IAG Services
    • IGS

    InterContinental Hotels Santiago Av. Vitacura 2885, Santiago de Chile, Chile
    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 […]

  • EU-wide Community Workshop on Quantum Gravimetry

    • Category:
    • Commission 2
    • Projet QuGe

    GFZ Helmholtz Centre for Geosciences Telegrafenberg, Potsdam, Germany
    Commission 2

    This in-person workshop is organized with the main objective to obtain feedback by the entire European community. Opinions, comments and thoughts on EQUIP-G project activities will contribute to shaping key […]

  • Geodesy Day – International Webinar on Geodesy

    • Sponsorship/Co-Organised:
    • IAG
    • IUGG
    • Category:
    • IAG
    • IUGG

    IAG

      “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 […]

  • Colloquium for Prof. Torge and Prof Seeber

    • Sponsorship/Co-Organised:
    • Institut für Erdmessung
    • Leibniz Universität Hannover
    • Category:
    • IAG

    Leibniz University Hannover, Geodetic Institute, Room A104 Nienburger Str. 1, Hannover, Germany
    IAG

    Honorary colloquium on the occasion of the 95th birthday of Prof. Wolfgang Torge and the 85th birthday of Prof. Günter Seeber The keynote lecture " Hochstabile GNSS-Positionierung für die quanten-basierte […]

  • Talks on GIA Seminar

    • Sponsorship/Co-Organised:
    • PALSEA.
    • SCAR-INSTANT Theme 2
    • Category:
    • Commission 3
    • IACS

    Commission 3

    Achraf Koulali (Newcastle University, UK) and Matt King (University of Tasmania, Australia) will present: "Sensitivity of Antarctic GPS time series to varying surface mass balance loads, and implications for estimates […]

  • 12 Spanish-Portuguese Assembly of Geodesy & Geophysics

    • Sponsorship/Co-Organised:
    • Universidad Politécnica de Madrid
    • Category:
    • GGOS
    • IACS
    • IAGA
    • IAHS
    • IAMAS
    • IAPSO
    • IASPEI
    • IAVCEI
    • 📚 Education & Training

    ETSI Topografía, Geodesia y Cartografía Mercator Avenue, Madrid, Spain
    📚 Education & Training

    The Spanish-Portuguese Assembly of Geodesy and Geophysics, which held its first meeting in Almería in 1998, began meeting every two years, alternating between the two countries responsible, Spain and Portugal. […]

  • EUREF Symposium 2026

    • Category:
    • Commission 1

    ENSA Paris-Val de Seine 3/15, quai Panhard et Levassore, Paris, France
    Commission 1

    EUREF is the International Association of Geodesy (IAG) Reference Frame Sub-Commission for Europe. The EUREF Symposium has been organized since 1990 and the scope of the symposium covers EUREF activities, […]