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IAG + GGOS Geodesy
@iag-ggos.bsky.social
Official account of the International Association of Geodesy #IAG and its Global Geodetic Observing System #GGOS.

Explore the #Science of #Geodesy: Measuring #Earth 's #shape, #gravity, and #rotation for a sustainable future.
📢 REFAG2026: Early bird registration deadline - 15 December 2025

This is a reminder to all colleagues interested in participating in the next IAG Symposium Reference Frames for Applications in Geosciences (REFAG2026), that early b... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
December 12, 2025 at 6:34 AM
📢 Spotlight on Young Researchers - ECSNet Video Series

As part of its activities, the IUGG Early Career Scientist Network (ECSNet) is producing a series of short videos that highlight Early Career Scientists (ECSs) acros... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
December 5, 2025 at 9:14 AM
🎄 Turn your Christmas creativity into a 🌍 #Geodesy #Cartoon!
Use the quiet holidays to make geodesy fun & inspiring.

🎨 Join the competition
💡 Win up to 900 € + visibility
👉 https://geodesy.science/cartoon/competition

#ScienceCommunication #ArtAndScience #GGOS #IAG #Creativity
December 5, 2025 at 8:47 AM
Reposted by IAG + GGOS Geodesy
🚨Save the Date:🚨

4. ICCC Workshop on #Geodesy for #Climate Research

📆 Date: February 23-25, 2027
📌Location: GFZ in Potsdam @gfz.bsky.social
Organizer: ICC on Geodesy for Climate Reserach of @iag-ggos.bsky.social
Format: hybrid (on-site and online)

geodesy.science/iccc/worksho...
November 26, 2025 at 11:08 AM
📢 Research Specialist in Space Geodesy

We are looking for a Research Specialist to join the space geodesy team at
November 27, 2025 at 1:26 PM
📢 Open Call for Early Career Researchers – EPOS-GNSS TCS Participation in EPOS Days 2026

EPOS Days 2026
The GNSS Data & Products Thematic Core Service (EPOS-GNSS TCS) will support the participation of two Early Career Researchers (ECRs) in the ECR s... 
👉 more at: geodesy.science/news

#Geodesy #Ea
November 24, 2025 at 5:28 AM
📢 CGU 2CGU 2026 Scientific Meeting – Call for Abstracts No026 – Call for Abstracts Now Open

The Canadian Geophysical Union (CGU) is pleased to announce that abstract submissions are now open for the 2026 Scientific Meeting, taking place May 24–27, 2026, in ... 
👉 more at: geodesy.science/news

#Geo
November 24, 2025 at 5:26 AM
Reposted by IAG + GGOS Geodesy
The International Association of Geodesy (IAG) has released the Geodesists Handbook 2024 and the IAG Traverse 2023-2025:

The Geodesist’s Handbook 2024 (doi.org/10.82507/IAG...)
The IAG Travaux Report 2023–2025 Volume 44 (doi.org/10.82507/IAG...)

Stay tuned: geodesy.science/news/#top
November 20, 2025 at 11:17 AM
📢 EPOS days 2026

EPOS Days is the flagship annual conference of the European Plate Observing System (EPOS), bringing together researchers, data providers, and infrastructure develope... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
November 20, 2025 at 10:29 AM
📢 New IAG Publications | Geodesist’s Handbook 2024 & IAG Travaux 2023–2025

The International Association of Geodesy (IAG) has released two key reference publications for the global geodesy community:

The Geodesist’s Handbook 2024 (DOI... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
November 20, 2025 at 10:28 AM
📢 IERS | Relaunch of the Website www.iers.org

We are pleased to announce that, as of November 10, the IERS website has been relaunched and is now available in its updated form at
www.iers.org
The main focus of... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
November 18, 2025 at 2:14 PM
🌍 Call for Abstracts – #EGU26 Session G2.2

Share your work on New Technologies for GGOS — from quantum sensors to LEO-based PNT & next-gen lasers.

📅 Deadline: 15 Jan 2026, 13:00 CET
🔗 Submit here: https://meetingorganizer.copernicus.org/EGU26/session/58110

November 7, 2025 at 10:44 AM
🌍 Where Science Meets Creativity! ✏️

Think geodesy can’t be fun? Prove it! 🎨 Create a #Geodesy #Cartoon and turn Earth science into art & humor.

💡 Win up to 900 € + join the #IAG Geodesy Reception 2026 at #EGU26 in Vienna.
👉 https://geodesy.science/cartoon/competition

#ScienceCommunication #Carto
November 6, 2025 at 8:01 AM
📢 GGOS Days 2025 | Report

The GGOS Days 2025 were held on 3–5 September 2025 within the IAG2025 Scientific Assembly of the International Association of Geodesy (IAG) in Rimini, Italy, bringi... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
November 5, 2025 at 10:16 AM
📢 TIGER Symposium in Geodesy 2026 | Save the date: Sept. 28 - Oct. 1

We will be hosting the TIGER Symposium in Geodesy 2026 in Gävle, Sweden. The symposium is organized by the International Association of Geodesy (IAG) Commission 3 an... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
October 23, 2025 at 4:40 AM
📢 JpGU-AGU Joint Meeting 2026

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 ... 
👉 more at: geodesy.science/news

#Geodesy #EarthScience
October 21, 2025 at 1:39 PM
🚨 Deadline Extended! #REFAG2026 abstracts now due 2 Nov 2025 🗓️Join this landmark event in Munich 🌍✨ where global experts shape the future of reference frames.👉 Submit now: https://geodesy.science/events/munich2026/
October 20, 2025 at 6:59 AM
📢 VieVS Days 2026

The two-day workshop will cover the basics of analysing VLBI geodetic data, simulations and scheduling. Participants will have the opportunity to apply their learnin... ... 👉 more at: geodesy.science/news

#Geodesy #EarthScience
October 17, 2025 at 5:52 AM
📢 The Visibility Challenge of Geodesy

Geodesy is the invisible foundation of our modern world. It enables accurate positioning, navigation, climate monitoring, and disaster management. Yet its critical r... ... 👉 more at: geodesy.science/news

#Geodesy #Intergeo #Intergeo2025
October 7, 2025 at 10:17 AM
📢 Obituary of Bernard Chovitz
👉 Read More: https://geodesy.science/2025/obituary-bernard-chovitz/

🌍 NEWS #GeodesyScience | #Geodesy #EarthScience #IAG #📰GeneralNews
October 2, 2025 at 2:28 PM
📢 From Struve to Space: 11th Nordic Geodetic Commission Summer School held in Estonia 2025
👉 Read More: https://geodesy.science/2025/from-struve-to-space-11th-nordic-geodetic-commission-summer-school-held-in-estonia-2025/?fsp_sid=294

🌍 NEWS #GeodesyScience | #Geodesy #EarthScience #Com4 #ECS #IAG #
September 19, 2025 at 10:16 AM
📢 Highlights from 1st GGOS IberAtlantic Summer School
👉 Read More: https://tinyurl.com/24krd5qo

🌍 NEWS #GeodesyScience | #Geodesy #EarthScience #GGOS #📅EventUpdate
September 19, 2025 at 6:47 AM
📢 IDS DORIS School | DORIS Days 2025
👉 Read More: https://tinyurl.com/297nzf5q

🌍 NEWS #GeodesyScience | #Geodesy #EarthScience #IDS #📅EventUpdate
September 10, 2025 at 8:16 AM
📢 16th SIRGAS School: "VLBI and SLR Data Processing"
👉 Read More: https://tinyurl.com/28b9tt2f

🌍 NEWS #GeodesyScience | #Geodesy #EarthScience #Com1 #ILRS #IVS #📅EventUpdate
September 9, 2025 at 5:45 AM
Reposted by IAG + GGOS Geodesy
🌍 At the IAG Scientific Assembly #IAG25 with something a bit different!

Come visit me today at Poster P064 to explore fun and insightful 🎨 geodesy cartoons: lnkd.in/gfew2k7p

You can also join the Geodesy Cartoon Competition here: lnkd.in/gzCsnwrH

✨ Let’s bring science and creativity together!
September 4, 2025 at 8:39 AM