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Seismic hazard assessment and controversies surrounding the San Ramón Fault

Event organised by Society for Earthquake and Civil Engineering Dynamics

Date
17 April 2024
Time
12:30 - 14:00 BST (GMT+1)
Location
Online

This event has now ended

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Overview

The San Ramón Fault (SRF) is an active shallow crust fault located near to the city of Santiago, the most populated and economic center of Chile. Chilean Seismic Design Codes only account for interface events, neglecting the seismic hazard posed by the SRF, even when earthquakes with similar shallowness and magnitude have caused catastrophic losses over the world. The hazard posed by the SRF is computed and compared to interface and inslab events. Results suggest a high dependency on the approach used and the vibration period considered.

SRF is becoming a ‘new’ hazard for nearly 2 million people. Whilst researchers still disagree about the seismic hazard that the SRF represents for the city, the political need for action is challenging the traditionally successful way that seismic risk has been dealt with in Chile.

Touching upon issues of disaster risk reduction and urban development, the talk unveils the challenges of seismic risk governance in the context of urban and crustal faults, which span beyond engineering.

Organised by

The Society for Earthquake and Civil Engineering Dynamics

The Society for Earthquake and Civil Engineering Dynamics

SECED promotes the study and practice of earthquake and civil engineering dynamics, including blast, impact, and other vibration problems.

Speakers

Horacio Domínguez

Horacio Domínguez

Universidad Técnica Federico Santa María

research assistant

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Horacio Domínguez

Holder of a master’s degree in civil engineering sciences from Universidad Técnica Federico Santa María, with expertise in Performance-Based Earthquake Engineering, particularly emphasising Probabilistic Seismic Hazard Analysis.

During the pursuit of his master’s degree, his research focused on applying seismic hazard analyses to the San Ramón Fault.

Currently serving as a research assistant at Universidad Técnica Federico Santa María, working on seismic risk analysis of structures using Regional Performance-Based Earthquake Engineering methodologies and seismic hazard analysis of the San Ramón Fault considering non-Poissonian models.  

Dr Felipe Rivera

Dr Felipe Rivera

EPICentre, University College London

honorary research fellow

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Dr Felipe Rivera

Dr Felipe Rivera is an independent consultant and interdisciplinary researcher with more than 10 years of experience working in disaster risk reduction and sustainable development.

His doctoral research, conducted at University College London, brought together concepts of socio-environmental justice with seismic risk governance, applied to the case of Chile. Felipe is currently an Honorary Research Fellow at EPICentre, a multi-disciplinary research centre for natural hazards resilience at UCL.

He also holds a Master of Research degree from UCL and a civil engineering degree from Pontificia Universidad Católica in Chile, his home country.

For more information please contact:

Shelly-Ann Russell

Sustainable Development Goals: