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The Global Earthquake Model (GEM) Foundation took part in the IAGA/IASPEI Joint Scientific Meeting 2025, held in Lisbon, Portugal, under the theme “Creating Bridges in Earth Sciences.” Two members of GEM’s Management Team participated in different activities, highlighting the organisation’s contribution to advancing both hazard and risk research.

Advancing Global Guidelines for Seismic Hazard Modelling

On 4 September, Marco Pagani, GEM’s Head of Seismic Hazards, joined the kick-off meeting of the Global Working Group on National Seismic Hazard Mapping (NSHM) guidelines. The meeting, led in collaboration with Trevor Allen (Geoscience Australia) and Laurentiu Danciu (SED-ETH), saw the participation of about 30 scientists involved in the development of national seismic hazard models. 

The initiative seeks to guide countries developing or updating national seismic hazard models. Such models are crucial for creating long-term disaster risk reduction strategies in the public sector and are widely utilized in the financial and insurance industries. The working group aims to share best practices, identify common challenges, and support the preparation of internationally recognised guidelines.

Marco’s participation reflects GEM’s longstanding role in collaborating on national seismic hazard programs.

Revisiting the 1755 Lisbon Earthquake

Vitor Silva, GEM’s Head of Risk Engineering, served as co-convener of Session 14, “The 1755 Great Lisbon Earthquake, 270 years later: Earthquake and Tsunami Hazard & Risk in Portugal and the western central Atlantic.”

The session gathered researchers from multiple disciplines to discuss updated analyses of historical records, advances in earthquake and tsunami modelling, tectonic and geodynamic insights, and modern monitoring technologies. Presentations also addressed the integration of datasets and the application of artificial intelligence and machine learning in hazard and risk assessment.

The Lisbon meeting, which brought together experts in geomagnetism, aeronomy, seismology, and earthquake engineering, provided a platform for strengthening connections across the earth sciences. GEM’s contributions in hazard modelling and risk assessment aligned with the conference’s emphasis on interdisciplinary collaboration and knowledge sharing.

For more information on the meeting, visit the official event page.

https://iaga-iaspei-2025.org/iaspei-symposia/