This study presents a seismic risk assessment and a set of earthquake scenarios for the residential building stock of the three largest metropolitan centers of Colombia: Bogotá, Medellín and Cali (with 8.0, 2.5, and 2.4 million inhabitants, respectively). A uniform methodology was followed for the development of the seismic hazard, vulnerability, and exposure models, thus allowing a direct comparison between the seismic risk of the different cities. Risk metrics such as exceedance probability curves and average annual losses were computed for each city. The earthquake scenarios were selected considering events whose direct economic impact is similar to the aggregated loss for a probability of exceedance of 10% in 50 years. Results show a higher mean aggregate loss ratio for Cali and similar mean aggregate loss ratios for Bogotá and Medellín. All of the models used in this study are openly accessible, enabling risk modelers, engineers, and stakeholders to explore them for disaster risk management.
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Research Article|
October 01, 2020
Seismic risk assessment for the residential buildings of the major three cities in Colombia: Bogotá, Medellín, and Cali
Ana Beatriz Acevedo;
1
Applied Mechanics Research Group, Universidad EAFIT, Medellín, ColombiaAna Beatriz Acevedo, Applied Mechanics Research Group, Universidad EAFIT, Carrera 49 7 Sur-50, 050022, Medellín, Colombia. Email: aaceved14@eafit.edu.co
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Catalina Yepes-Estrada, M.EERI;
Catalina Yepes-Estrada, M.EERI
2
The GEM Foundation, Pavia, Italy
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Daniela González;
Daniela González
1
Applied Mechanics Research Group, Universidad EAFIT, Medellín, Colombia
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Vitor Silva, M.EERI;
Vitor Silva, M.EERI
2
The GEM Foundation, Pavia, Italy
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Miguel Mora;
Miguel Mora
3
Servicio Geológico Colombiano, Bogotá, Colombia
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Mónica Arcila;
Mónica Arcila
3
Servicio Geológico Colombiano, Bogotá, Colombia
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Gustavo Posada
Gustavo Posada
4
Universidad Nacional de Colombia sede Medellín and Sistema de Alerta Temprana de Medellín y el Valle de Aburrá, Medellín, Colombia
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Earthquake Spectra (2020) 36 (1_suppl): 298–320.
Article history
received:
08 Jun 2020
accepted:
11 Jun 2020
first online:
01 Dec 2020
Citation
Ana Beatriz Acevedo, Catalina Yepes-Estrada, Daniela González, Vitor Silva, Miguel Mora, Mónica Arcila, Gustavo Posada; Seismic risk assessment for the residential buildings of the major three cities in Colombia: Bogotá, Medellín, and Cali. Earthquake Spectra 2020;; 36 (1_suppl): 298–320. doi: https://doi.org/10.1177/8755293020942537
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