Advancing Seismic Hazard Assessment: GEM-INGV Knowledge Exchange on OpenQuake
By:
Apr 5, 2025
Mar 19, 2025

GEM recently led a knowledge exchange at the Istituto Nazionale di Geofisica e Vulcanologia (INGV) headquarters in Milan, focusing on the latest capabilities of the OpenQuake Engine and the Model Builder’s Toolkit (OQ-MBTK). The sessions were aimed at discussing seismic hazard assessment methodologies, particularly in the context of developing Italy’s next national seismic hazard model.
The event brought together experts from GEM and INGV to explore how OpenQuake’s advanced functionalities can support more accurate and comprehensive seismic risk assessments. Marco Pagani, GEM Head of Seismic Hazards, Senior Software Developer Michele Simionato, Seismic Hazard Scientist Christopher Brooks, and Senior Active Faults Specialist Richard Styron led the training sessions. The programme featured hands-on exercises demonstrating how to develop and analyse model components for Probabilistic Seismic Hazard Assessment (PSHA) using the OQ-MBTK.

During the interactive sessions, participants explored practical applications of the OpenQuake tools, including how to build and refine seismic hazard models tailored to Italy’s specific seismic landscape. The discussions highlighted the importance of integrating diverse data sources and advanced modelling techniques to improve risk assessment accuracy.
One of the key takeaways from the exchange was the emphasis on collaboration between scientific institutions to advance earthquake risk science. Marco remarked:
“Working with INGV on improving seismic hazard modelling shows how public institutions can leverage open tools and data to enhance hazard and risk assessment and decision-making processes.”
The workshop underscored the significance of partnerships between research entities and public institutions in translating scientific progress into practical solutions for seismic risk management. By promoting technical collaboration, GEM and INGV aim to develop robust hazard models that better inform disaster risk reduction strategies.
The session also reinforced GEM’s commitment to supporting national efforts in seismic safety through open, science-based tools. The insights gained from this exchange are expected to play a pivotal role in shaping more resilient infrastructures and communities.
Learn more about the Model Builder’s Toolkit: OQ-MBTK
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