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 […]
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 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 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 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 […]
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 […]
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.
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.
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 who have interests in the application of VLBI in the fields of geodesy, Earth sciences, astrometry, and other astronomical applications in geodesy are invited to […]
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.
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 […]
Abstract Submission Deadline: Thursday, 15 January 2026, 13:00 CET EGU 2026 website: https://www.egu26.eu
The Geodesy Reception 2026 will take place on Tuesday, May 5 (19:00-21:45) during the EGU General Assembly 2026. It will be hosted again at the main building of BEV (Federal Office of Metrology and Surveying). See recap of last years Geodesy Reception 2025. Registration ⚠️ Registration is required, as capacity is limited to 120 participants. […]
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" Projections of sea-level change and Antarctic Ice Sheet (AIS) stability under anthropogenic climate change hinge upon accurately describing physical feedbacks that link ice dynamics (marine […]
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 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 Makuhari Messe in Chiba City) and online. https://www.jpgu.org/meeting_e2026/news/news20250917_01.html
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 two General Assembly days 24 and 29 May 2026 and with various pre events primarily on 24 May. Event Category: fig
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 […]
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 aspects on the future of (terrestrial) gravimetry. This is centered around the main long-term goal to establish a permanent perennial entity of a shared park […]
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. Over the course of its sessions, it has established itself as a research forum in the fields of Geodesy, Seismology, Meteorology, Geomagnetism, Hydrology, Oceanography, Volcanology, […]
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, such as the realisation, maintenance, and usage of ETRS89, EVRS and the EUREF Permanent Network. More Info - Event Website: https://euref2026.sciencesconf.org/
The 2026 IDS Workshop will be held in Wiesbaden, Germany, from 23–25 June 2026 alongside the 2026 OSTST meeting. Organized by Eumetsat, Copernicus and CNES, it will showcase recent developments and scientific results based on DORIS data and foster discussion and coordination of future IDS community activities.
The University of Zagreb – Faculty of Geodesy is organizing the 2nd International Conference of Environmental Remote Sensing and GIS (ICERS) from July 1-3, 2026, in Zagreb, Croatia. ICERS serves as a unique meeting point for sharing the latest advancements and applied solutions in the fields of remote sensing and GIS, offering fresh perspectives on […]
46th Scientific Assembly of the Committee on Space Research (COSPAR) and Associated Events "COSPAR 2026" Please find more info here: https://cospar2026.org/
Geodesy group of Aalborg University is planning to have a summer school at the Geodesy Group, Aalborg University, August 25-28 2026. The school will be for four days and focusing on training Early Careers to improve their skill of satellite data processing and hydrological data assimilation. The program will be ~50%-50% on theory and practical […]
We invite you to the XI Hotine-Marussi Symposium, which will 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). The main goals of the Symposium are aligned with the objectives of ICCT: • advances in theoretical geodesy, • developments […]
The European VLBI Network Symposium is the main forum for discussion of the latest Very Long Baseline Interferometry scientific results and technical developments within the EVN member countries. This biennial meeting brings together the global VLBI community to exchange knowledge, share research, discuss advancements in VLBI techniques, and foster collaboration in radio astronomy.
The 2026 ITGRF workshop will provide an excellent opportunity to advance the International Terrestrial Gravity Reference Frame and to discuss current activities within the IAG Joint Working Group 2.1.1. The workshop will focus on ensuring the compatibility of absolute gravity observations, establishing and maintaining gravity reference stations, and developing a modern, user-oriented infrastructure for end-users. […]
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 & VieSched++. The workshop is aimed at PhD students and newcomers to the field of geodetic VLBI analysis. The registration is offered on a first-come, first-served […]
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 1st symposium of the IAG Commission 3 on Earth Rotation and Geodynamics, in cooperation with the Journees meeting series) - September 28th to October […]
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 1st symposium of the IAG Commission 3 on Earth Rotation and Geodynamics, in cooperation with the Journees meeting series) - September 28th to October 1st, […]
The Gravity, Geoid and Height Systems Symposium (GGHS) is a leading international meeting organized under the International Association of Geodesy (IAG). It brings together experts, researchers, and students to discuss the latest developments in gravity field modeling, geoid determination, height systems, and their applications in Earth sciences and society. The next edition, GGHS2026, will continue […]
The Institute of Geosciences (IGEO) and joint IAG-IASPEI sub-commission "Seismo-geodesy" are delighted to invite you to the 21st WEGENER Assembly, which will take place in Tirana, Albania, from October 13–15, 2026. WEGENER meetings gather geodesists and geoscientists working in the Mediterranean, earthquake processes and geodynamics. The WEGENER meeting is supported by International Association of Geodesy […]
The SIRGAS Biennial Symposium is a leading international forum that brings together geodesists, geophysicists, researchers, and professionals from across the Americas and beyond to discuss advances in geodetic reference systems and Earth observation. 🗓 Frequency & DurationHeld every two years, the Symposium spans four days of scientific exchange, featuring oral presentations, technical sessions, and discussions […]
Event Category: agu
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.
Event Category: egu
This IUGG General Assembly will get under way at Incheon's Songdo Convensia in July 2027. Incheon is expecting more than 5,000 scientists and experts from both Korea and abroad to […]
Event Category: agu
Event Category: egu
A workshop focused on glacial isostatic adjustment (GIA), ice sheets, sea-level change, and associated geodetic and geophysical observational constraints will be held in Dresden, Germany, from 28 May to 2 […]
IAG collaborates closely with numerous organizations within geodesy and beyond. See the list for details.
This website is provided by the IAG Secretariat and the GGOS Coordinating Office, which are hosted by the BEV – Federal Office of Metrology and Surveying (Bundesamt für Eich- und Vermessungswesen) in Vienna, Austria.