Publication: Análisis sismotectónico de la convergencia Caribe, Nazca, Suramérica : implicaciones para el peligro sísmico de Colombia
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2024-03-11
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Universidad Complutense de Madrid
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Abstract
En Colombia, el peligro sísmico está asociado a la convergencia de las placas litosféricas de Caribe, Nazca y Suramérica, las cuales dan origen a fenómenos con un alto potencial destructivo, en particular, por las condiciones de exposición y vulnerabilidad en el territorio nacional. Es por ello que durante los últimos 50 años se han desarrollado importantes esfuerzos para estudiar el peligro sísmico, dando como resultado varios modelos a escala nacional y regional. No obstante, los modelos existentes no hacen un análisis integral de la sismotectónica del país, por lo que las estimaciones del riesgo sísmico actuales tienen limitaciones técnicas y metodológicas con implicaciones en el uso y las decisiones que se soportan en este campo del conocimiento, siendo de interés para esta tesis, las relacionadas con las evaluaciones del peligro sísmico. Para reducir las limitaciones de conocimiento y disponer de criterios robustos para el estudio del peligro sísmico en Colombia, esta tesis se enfoca en el análisis sismotectónico de la convergencia de las placas Caribe, Nazca, Suramérica, teniendo en cuenta información sismológica, geodésica, geofísica y tectónica disponible...
The seismic hazard in Colombia is associated with the convergence of Caribbean, Nazca and South America tectonic plates, which give rise to phenomena with a high destructive potential, particularly due to the conditions of vulnerability in the national territory. That is why, during the last 50 years, significant efforts have been made to study seismic hazard, resulting in various models at a national and regional scale. However, the existing models do not make a comprehensive analysis of the seismotectonics of the country, so the current seismic risk estimates have technical and methodological limitations with its implications for the decision making based on this discipline, specifically those related to seismic hazard assessments are of interest for this thesis. This thesis focuses on the seismotectonic analysis of the convergence of the Caribbean, Nazca, and South American plates. It considers information available in seismological, geodetic, geophysical and tectonic datasets. This aims to reduce lack of knowledge and to have robust criteria for the study of seismic hazard in Colombia...
The seismic hazard in Colombia is associated with the convergence of Caribbean, Nazca and South America tectonic plates, which give rise to phenomena with a high destructive potential, particularly due to the conditions of vulnerability in the national territory. That is why, during the last 50 years, significant efforts have been made to study seismic hazard, resulting in various models at a national and regional scale. However, the existing models do not make a comprehensive analysis of the seismotectonics of the country, so the current seismic risk estimates have technical and methodological limitations with its implications for the decision making based on this discipline, specifically those related to seismic hazard assessments are of interest for this thesis. This thesis focuses on the seismotectonic analysis of the convergence of the Caribbean, Nazca, and South American plates. It considers information available in seismological, geodetic, geophysical and tectonic datasets. This aims to reduce lack of knowledge and to have robust criteria for the study of seismic hazard in Colombia...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Geológicas, leída el 08-09-2023