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TREQ OpenQuake Online Training: Earthquake Scenarios - Ground Motion Fields


Sep 21, 2020

The GEM TREQ project team successfully conducted its full OpenQuake online training on September 18th after a series of pilot activities over the last two months. Participants from Argentina, Ecuador, Colombia, Peru, Dominican Republic, Mexico and El Salvador participated in the online training.


Catalina Yepes and Alejandro Calderon led and facilitated the first of two sessions for Module II – Part 1: Earthquake Scenarios - Ground Motion Fields. Part 2 is scheduled on September 25th.


The Ground Motion Fields session covered concepts in seismic faults, ground shaking intensity, ground

motion models (GMPEs) and ground motion fields (GMFs). Facilitators presented and demonstrated how to model a fault rupture in OpenQuake, how to prepare the required input files, how to run various examples, and how to compare results based on the modelling assumptions.


A participant from Costa Rica, who has attended previous workshops in person commented “…the workshops have been very good. The online modality has been better than expected. If the sessions are converted into video materials, they would be useful!”. The GEM Risk Team has produced complementary video materials for the workshops, already available on l and currently in use in courses at EAFIT University and University of El Salvador.


As part of TREQ’s activities to promote the project, Alejandro Calderon gave a presentation on "Seismic risk assessment using free access tools" upon the invitation of the College of Civil Engineers of Tijuana, through their Center of Continuing Education in Civil Engineering. The webinar was held on August 17, 2020.


You can find the presentation (in Spanish) in the following links:



The OpenQuake online training initiative is part of the TREQ project activities, led by the GEM Foundation and funded by the U.S. Agency for International Development (USAID). It is designed to build the capacity of risk professionals with a diverse background and expertise, on earthquake risk assessment and the use of the basic features of the OpenQuake engine.


Download the to learn more about the topics and upcoming schedules.

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