PhHS-IHRF2026 - Int. Symposium on Physical Height Systems and the IHRF
2026-04-07 - 2026-04-09 | General Authority for Survey and Geospatial Information (GEOSA), Riyadh, Kingdom of Saudi Arabia
The PhHS-IHRF2026 “International Symposium on Physical Height Systems and the International Height Reference Frame” will be held in Riyadh, Kingdom of Saudi Arabia from 7 to 9 April 2026. It focuses on methods for observing, estimating and interpreting the Earth’s gravity field and the geoid with special emphasis on height systems, physical height determination and the realization of the International Height Reference System (IHRS) into the International Height Reference Frame (IHRF). PhHS-IHRF2026 is a Joint IAG Symposium co-organized by IAG SC2.2 “Geoid, Physical Height Systems and vertical datum unification”, SC2.4 “Gravity and Geoid”, the International Gravity Field Service (IGFS) and the Global Geodetic Observing System (GGOS).
Official Symposium Website: https://geosa.gov.sa/en/Pages/phhs-ihrf-2026.aspx

Scientific Organizing Committee:
George Vergos (SC2.2 Chair, IHRF CC director, IGFS CB Director)
Rossen Grebenitcharsky (SC2.2 Vice-Chair)
Riccardo Barzaghi (IGFS President)
Laura Sanchez (GGOS President)
Hussein Abd-Elmotaal (SC2.4 Chair)
Rene Fordberg
Zuheir Altamimi
Local Organizing Committee:
AlShahrani Sultan Falah
Mohammed AlArjani
Mashael AlHarbi
Saad AlQahtani
Abdulmohsen AlDosari
Saleh AlFaris
Eslam Abdulsamie

14th IVS General Meeting 2026
2026-04-12 - 2026-04-17 | Congress House, Garmisch-Partenkirchen, Germany
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 attend the meeting. The meeting will be held under the theme “Linking the Celestial and Terrestrial Realms.”

ENC2026 European Navigation Conference
2026-04-28 - 2026-04-30 | Austria Center Vienna, Bruno-Kreisky-Platz 1, Vienna, 1220, Austria
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 as the most important annual event in Europe bringing together the full positioning, navigation and timing community.
What you can expect at ENC2026:

Technical programme across three days with up to four parallel sessions;
Daily keynote addresses in plenary, bringing the community together;
A friendly and collaborative atmosphere, with opportunities to meet exhibitors and fellow delegates, including informally over drinks and dinner as part of the conference social programme;
An environment to gain insights, grow your network and foster new collaborations.

The ENC-series is a collaboration across the European Group of Institutes of Navigation (EUGIN), with the Austrian Institute of Navigation (OVN) leading ENC 2026 at the Austria Center Vienna (ACV).
The conference will highlight the latest advancements in positioning, navigation and timing. The broad technical program will include all related aspects of technology, science, systems and applications.
ENC-series is open to all from across industry, academia, government and user segments. Whatever your level of knowledge and experience, you will find a warm welcome and have much to gain by joining ENC2026.
We warmly invite you to join us in Vienna. Please do prepare your abstract, review our sponsorship opportunities and save the date to join us.
These web pages will remain the hub of latest information as we move towards the conference in April 2026. Please sign up here to receive regular updates by e-mail and also follow us on LinkedIN via the QR code below.
See you at #ENC2026 in Vienna!
https://enc-series.org/

EGU General Assembly 2026
2026-05-03 - 2026-05-08 | Vienna, Austria, Vienna, Austria
Abstract Submission Deadline: Thursday, 15 January 2026, 13:00 CET
EGU 2026 website: https://www.egu26.eu

IAG Geodesy Reception 2026
2026-05-05 19:00 - 21:45 (Europe/Vienna) | BEV – Federal Office of Metrology and Surveying, Schiffamtsgasse 1-3, Vienna, 1020, Austria
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. Stay tuned for further updates!
Registration
Registration will be required, as space will be limited to 120 people. Attendance is only possible with confirmed registration. All details will be published later …
Geodesy Cartoon Competition – Winner Announcement
As a special highlight, the winners of the Geodesy Cartoon Competition will be officially announced during the event. In addition the Top 5 rated cartoon submitter of each category will receive a guaranteed reservation for the Geodesy Reception 2026. Read more: https://geodesy.science/cartoon/competition/
Sponsors

Main Sponsor:

IAG | International Association of Geodesy

Further Sponsors:

GFZ | Helmholtz Centre for Geosciences (Department 1 – Geodesy)
EGU Geodesy Division
DGFI-TUM | Deutsches Geodätisches Forschungsinstitut (DGFI-TUM) of Technische Universität München

Organiser and Event Host:

BEV | Federal Office of Metrology and Surveying, Austria
IAG-GGOS (Global Geodetic Observing System) Coordinating Office (CO)

👉 Institutions and organizations are warmly invited to support the Geodesy Reception as sponsors. If you are interested in contributing to this networking event for the geodetic community, please contact us (GGOS Coordinating Office).

JpGU-AGU Joint Meeting 2026
2026-05-24 00:00 - 2026-05-29 23:59 (Asia/Tokyo) | JpGU-AGU Joint Meeting 2026, Chiba, Japan
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 CONGRESS 2026
2026-05-24 - 2026-05-29 | Cape Town, South Africa, Cape Town, South Africa
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

IGS Workshop 2026
2026-06-01 - 2026-06-05 | InterContinental Hotels Santiago, Av. Vitacura 2885, Santiago de Chile, 7550023, Las Condes, Chile
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 behalf of the Local Organizing Committee, we are pleased to formally announce the International GNSS Service (IGS) Workshop 2026, which will take place from the 1st to the 5th of June 2026 at the Intercontinental Santiago.
The IGS Workshop serves as the premier global forum for advancing GNSS and geodesy. Hosted jointly by the University of Santiago de Chile (USACH) and the Military Geographic Institute (IGM), the 2026 edition will bring together leading experts, researchers, and practitioners to exchange insights, showcase technological breakthroughs, and define the trajectory of global geodetic infrastructure.
Key Details :

Dates : 1-5 June 2026
Venue : Intercontinental Santiago (Avenida Vitacura 2885, 7550023 Las Condes, Región Metropolitana, Chile)
Website : https://www.igs-workshop-2026.com
General Inquiries : workshop2026@igs.org

EU-wide Community Workshop on Quantum Gravimetry
2026-06-03 - 2026-06-05 | GFZ Helmholtz Centre for Geosciences, Telegrafenberg, Potsdam, Germany
Dear community,
I am very happy to announce the first EU-wide community workshop by the HORIZON EUROPE project “EQUIP-G”. It will take place from 3.6. to 5.6.2026 at GFZ Helmholtz Centre for Geosciences (Potsdam, Germany).
Please see the attached flyer.
This email indents to inform you about this meeting and provide you the possibility to mark the dates in advance in your calendar. We are not yet sure if there will be a hybrid option (most likely not, but information will follow). EQUIP-G in a nutshell: we are developing and deploying a quantum gravimeter network within Europe. This task involves joint activities amongst:

quantum gravimeter instrument testing and metrology
running dedicated use cases across Europe to showcase and investigate this technology with respect to its potential and added value for real world geoscientific and society-relevant applications
develop and test an airborne quantum gravimeter sensor
data management and IT infrastructure for data hosting and sharing following FAIR principles
initiating the creation of a new EPOS technical core service for gravimetry
create an infrastructure in form of a shared park of quantum gravimeters, which hopefully in the future will enable all interested stakeholders to have low-cost access to this new technology

But of course the most important thing is to involve all interested people from the community – you! To shape the future of how, by whom and for what quantum gravimeters will be used and how this technology will develop, also in the European context.
We are eager to meet with the entire community, present first results, exchange ideas, get feedback and opinions and actively use this input! We would be very happy to see many of you attending this workshop and join a lively discussion!
More information will follow in the upcoming months.
If you want to know more about EQUIP-G you can visit our LinkedIn page: https://www.linkedin.com/company/equip-g/ (official project website coming soon!) and/or have a look at the EU Commission information: https://cordis.europa.eu/project/id/101215427.
Best regards,
Marvin Reich (WP lead community building) and the entire EQUIP-G team!

EUREF Symposium 2026
2026-06-23 - 2026-06-25 | ENSA Paris-Val de Seine, 3/15, quai Panhard et Levassore, Paris, 75013, France
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/

IDS Workshop 2026
2026-06-23 - 2026-06-25 | RheinMain CongressCenter, CLS, Wiesbaden, 31520, Germany
The workshop will highlight recent developments and the current status of scientific results based on DORIS data. It will also provide a forum for discussion and coordination of future activities within the IDS community.
📅 Deadline: 3 April 2026
🔗 Submit your abstract here: IDS Workshop 2026

ICERS 2026
2026-07-01 - 2026-07-03 | National and University Library, Hrvatske bratske zajednice 4, Zagreb, 10000, Croatia
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 addressing complex environmental challenges. Special emphasis will be placed on geospatial solutions for climate change, sustainable development, and effective resource management. We invite you to engage in dynamic discussions shaping the future of our planet, with a particular focus on the transformative power of geospatial data. This conference provides an ideal platform for collaboration, strengthening partnerships, and presenting your latest research activities and projects at the global level.

Conference deadlines:

1st February 2026 – Abstract submission
1st April 2026 – Full paper submission (up to 8 pages)
1st May 2026 – Registration
1st – 3rd July 2026 – ICERS Conference (Zagreb, Croatia)

Conference topics:

Remote Sensing for Environmental Monitoring
GIS for Sustainable Development
Disaster Management and Response
Conservation and Biodiversity
Innovations in spatial data-acquiring technologies
Multicriteria decision-making and GIS
Climate Change mitigation politics
Data interoperability
Artificial intelligence and big data

COSPAR 2026 - Scientific Assembly of the Committee on Space Research
2026-08-01 - 2026-08-09 | Fortezza da Basso, Viale Filippo Strozzi 1, Florence, Italy
46th Scientific Assembly of the Committee on Space Research (COSPAR) and Associated Events “COSPAR 2026”
Please find more info here: https://cospar2026.org/

XI Hotine-Marussi Symposium
2026-09-07 - 2026-09-11 | Genoa, Balderichgasse 31/24, Genoa, 1170, Italy
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 in modelling and data processing in the light of recent advances of geodetic observing systems
• interdisciplinary cooperation between geodesy and other Earth and planetary sciences
In particular, all topics related to activities of the ICCT Study Groups are of interest and submission of related papers are strongly encouraged. Contributions concerning other topics related to possible interactions and mutual benefits between geodetic theory and methodology, and other initiatives and projects involving Earth and planetary sciences (for example the Group on Earth Observation) are welcome.
Deadline for abstract submission is April 19, 2026. Upon abstract submission, the corresponding author will have to indicate the preference for oral or poster presentation. Each abstract will be reviewed by the Scientific Committee and decision on acceptance will be notified by e-mail to the corresponding author by May 17, 2026.
Accepted papers will be published by Springer in an Open Access volume of the official IAG series.
The Symposium will be held in the center of Genoa (Liguria Region, Italy), which is easily accessible by several bus routes and by the underground. The scientific programme will be complemented with a social one, including a tour and a social dinner. An Early Career Scientist event will be organized too.
We look forward to warmly welcome you in Genoa!
Mattia Crespi, Amir Khodabandeh, Pavel Novák, Riccardo Barzaghi
Domenico Sguerso, Bianca Federici, Ilaria Ferrando, Paola Salmona
More Info – Event Website: https://hotinemarussi2026.unige.it/

ITGRF Workshop 2026
2026-09-14 12:00 - 2026-09-16 13:00 UTC | Herstmonceux Castle, Hailsham, East Sussex, United Kingdom,
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. It will bring together experts in absolute gravimetry, gravity monitoring, and reference frame realization to exchange knowledge and coordinate future work.
The International Terrestrial Gravity Reference Frame (ITGRF) is developed by the International Association of Geodesy and is based on accurate observations from absolute gravimeters and continuous gravity monitoring at reference stations. Its primary objective is to replace the obsolete International Gravity Reference Standardization Network (IGSN71) defined in the early 1970s with a modern, consistent global gravity reference.
The workshop will be hosted in 2026 by the British Geological Survey’s Space Geodesy Facility at Herstmonceux Castle in East Sussex, a site with a strong scientific heritage as the former home of the Royal Greenwich Observatory.

More info here [PDF]

Booking/registration information is not yet available and will follow soon.

VieVS Days 2026
2026-09-15 - 2026-09-16 | TU Wien, Vienna, Austria
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++.

IAG Commission 3 - TIGER Symposium in Geodesy
2026-09-28 - 2026-10-01 | Gävle, Sweden, Gävle, Sweden
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, 2026
GGOS Topical Meeting on Geohazards – October 1st and 2nd, 2026
GGOS Days 2026 – October 5th to 7th, 2026

The meetings will be in a hybrid format. More details (e.g., website, registration, abstract submission) will be shared soon. We’re looking forward seeing you in autumn 2026!
Sincerely, Rebekka Steffen (IAG commission 3 president), Laura Sanchez (GGOS President), Martin Sehnal (GGOS Coordinating Office)

GGOS Days 2026 + GGOS Topical Meeting on Geohazards
2026-10-01 - 2026-10-07 | Gävle, Sweden, Gävle, Sweden

Gravity Geoid and Height Systems Symposium (GGHS2026)
2026-10-12 - 2026-10-16 | Indian National Science Academy, New Delhi, India
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 this tradition by providing a forum for exchanging ideas, presenting new research, and fostering collaboration across the global geodetic community.

The official website with full details will be available soon.

21st Wegener Assembly, Albania
2026-10-13 - 2026-10-15 | Polytechnic University of Tirana, “Dëshmorët e Kombit”, Square “Nënë Tereza”, Tirana, 1001, Albania
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 (IAG) and the International Association of Seismology and Physics of the Earth’s Interior (IASPEI), through Sub-commission 3.5 “Seismo-Geodesy” joint between IAG and IASPEI.
Whether you are an established researcher, an early-career scientist, or a student, Wegener assembly offers a unique opportunity to exchange ideas, develop collaborations, and strengthen our scientific community.
The meeting will be hosted by the Institute of Geosciences part of Polytechnic University of Tirana.
Abstract submission and registration will open February,2 2026. Early-bird registration will be available until July 15, 2026. Proposed sessions are:
1. Motion and deformation of the Mediterranean: from kinematics to dynamics
2. Plate Boundary and Intraplate Processes from Geodetic Observations
3. Faults and Earthquake Cycle Processes
4. Geodesy Contribution to Seismic Hazard Assessment & Mitigation
5. Surface Processes, Hydrology, and Anthropogenic Deformation
6. Emerging Methods and Infrastructures
7. Volcano and Volcano-Tectonic Deformation
Beyond the science, Tirana offers a lively and welcoming atmosphere, with a blend of Ottoman, Italian, and modern architecture, a vibrant café culture, and easy access to Albania’s stunning landscapes from the Adriatic coast to the mountains and historical UNESCO World Heritage sites. Its central location and well-connected airport make it a really accessible and attractive destination for colleagues from all over Europe and beyond.
We warmly invite you to be part of WEGENER 21st Assembly and to contribute to advancing seismo-geodesy research in the Mediterranean and beyond.

SIRGAS Symposium 2026
2026-11-03 - 2026-11-06 | Faculty of Engineering – University of the Republic., Av. Julio Herrera y Reissig 565, Montevideo, 11300, Uruguay
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 focused on both theoretical developments and practical applications.
📍 Host CityThe next edition will take place in Montevideo, Uruguay, offering a unique setting that combines scientific excellence with regional collaboration.
🔬 Main Thematic Axes

Applications of the SIRGAS Reference FrameworkPractical and scientific uses of SIRGAS in positioning, mapping, geodynamics, and geospatial infrastructure.
SIRGAS Contributions to Earth System ModellingThe role of SIRGAS in understanding Earth dynamics, including tectonics, sea level, and climate-related processes.
Development and Maintenance of the SIRGAS Reference FrameworkAdvances in GNSS networks, reference frames, standards, and long-term sustainability.
Modelling the Earth’s Gravity FieldGravity field determination, geoid modelling, and their applications in science and engineering.

🌎 Why Attend?The Symposium fosters regional integration, knowledge exchange, and capacity building, strengthening SIRGAS as the geodetic reference for the Americas.
🔗 More information and updates will be available soon on https://sirgas.ipgh.org/

AGU Annual Meeting 2026
2026-12-07 - 2026-12-11 | San Francisco, USA, San Francisco, USA
Event Category: agu

4. ICCC Workshop Geodesy for Climate Research
2027-02-23 - 2027-02-25 | GFZ – Helmholtz Centre for Geosciences, Telegrafenberg, Potsdam, Germany
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.

EGU General Assembly 2027
2027-04-04 - 2027-04-09 | Vienna, Austria, Vienna, Austria
Event Category: egu

IUGG General Assembly 2027
2027-07-16 - 2027-07-22 | Incheon, South Korea, Incheon, South Korea
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 attend the event.
Event Category: iugg

AGU Annual Meeting 2027
2027-12-13 - 2027-12-17 | Washington, D.C., USA, Washington, D.C., United States

EGU General Assembly 2028
2028-04-23 - 2028-04-28 | Vienna, Austria, Vienna, Austria

2028 Glacial Isostatic Adjustment Workshop
2028-05-28 - 2028-06-02 | TU Dresden, Dresden, Germany
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 June 2028. This will be a follow-on workshop in a series of similar events. The last GIA Workshop took place in Sidney, BC, Canada, in 2025 (cf. https://polenet.org/2025-gia-workshop/). Detailed information will be published in due time.

AGU Annual Meeting 2028
2028-12-11 - 2028-12-15 | San Diego, USA, San Diego, United States

EGU General Assembly 2029
2029-04-08 - 2029-04-13 | Vienna, Austria, Vienna, Austria
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Event Category: egu
