The International Union of Geological Sciences (IUGS) was founded in 1961.

With 74 active national members, IUGS is one of the World’s largest scientific organizations.

It encourages international cooperation and participation in the Earth sciences in relation to human welfare and is a member of the International Science Council (ISC). Membership is open to all countries or defined regions.​​

read more

IUGS-ICG BOOKS

Find out about Geological Heritage Sites and Heritage Stones

INTERNATIONAL GEOLOGICAL CONGRESS

The IGC: about, the last one and the next one

E-BULLETIN

IUGS news at a glance

EPISODES

Journal of International Geoscience

Social Media

Ways to interact instantaneously with the IUGS community.

News

All the latest news from IUGS

IUGS President meets with Saudi Geological Survey

IUGS President Prof. Hassina Mouri and Eng. Abdullah Al-Shamrani from the Saudi Geological Survey (SGS). IUGS and SGS had an official meeting to promote global geoscience cooperation and sustainable development

Field trip from GEOMIN International Symposium

Angular unconformity between Late Oligocene red beds of the Khulys Formation (bottom) and Miocene red beds of the Burkhan Formation toped by the Harrat Late Miocene Basalt at the Usfan Pass in Saudi Arabia. Deposition, uplifting, erosion, deposition and finally lava flow are all related to the intensity of rifting and opening of the Red Sea for the last 30 million years of geological evolution of western Saudi Arabia

Fostering Ties with African Countries in Malawi

IUGS Secretary General Ludwig Stroink met with representatives from leading geoscientific- and governmental institutions to discuss reactivating the long-dormant IUGS membership of Malawi on 26 September 2025

United in Geosciences – New Horizons for IUGS/UNESCO & Africa” - Special Session at CAG 30

Participants from 17 African and non-African countries exchanged ideas to strengthen collaboration between Africa and IUGS on 23 September 2025

IUGS President Hassina Mouri's 'Welcome Speech' at CAG 30

Hassina Mouri giving her “Welcome Speech” at the 30th Colloquium on African Geology (CAG 30) on 23 September 2025

International Science Council-General Assembly meeting in Oman

GeoUnions meeting during the ISC-General Assembly in Muscat, Oman, in January 2025

IUGS EC UNESCO visit

The EC’s visit to UNESCO in March 2025

IUGS Initiative on Forensic Geology (IFG)

Use of a police helicopter for geological and geomorphological observations to search for a homicide grave (photo: Laurance Donnelly)

IUGS President in the Dabie Mountains, China

IUGS President on Bixiling fresh eclogites, Dabie Mountains, China. A unique occurrence of ultra high-pressure metamorphism

IUGS Bureau on the Moho

Bureau on the Moho, Oman, January 2025

IUGS International Commission on Geoheritage (ICG)

III International Workshop on IUGS Heritage Stones in Jaipur, India

IUGS International Lithosphere Programme (ILP)

TF6 and CC1 fieldtrip to Wieliczke salt mine

First 100 IUGS Geosites event

Zumaia (Spain), 28 November 2022

IUGS executive committee 2024-2028

read more

IUGS executive committee 2024-2028

read more

Prof. Hassina Mouri

Dr. Ludwing Stroink

Emeritus Prof. David Cohen

Prof. Marko Komac

Prof. Maria Rose Petrizzo

IUGS executive committee
2024-2028

Prof. Lola Pereira

Dr. Yamirka Rojas-Agramonte

Dr. Farnoosh Farjandi

Dr. Weijun Zhao

IUGS executive committee 2024-2028

read more

News IUGS

read more

2025 End of Year Message from IUGS President

Read more

Special Christmas offer on second edition of First 100 IUGS Geological Heritage Sites

Read more
Facebook Linkedin Instagram Youtube