Riesgo de tsunami en caleta Tubul, Región del Biobío: escenarios extremos y transformaciones territoriales posterremoto

Authors

  • Carolina Martínez Universidad de Concepción (Chile)
  • Octavio Rojas Universidad de Concepción (Chile)
  • Rafael Aránguiz Universidad Católica de la Santísima Concepción (Chile)
  • Arturo Belmonte Universidad de Concepción (Chile)
  • Álvaro Altamirano Universidad de Concepción (Chile)
  • Paulina Flores Universidad de Concepción (Chile)

DOI:

https://doi.org/10.4067/S0718-34022012000300006

Keywords:

Natural Disasters, Vulnerability, Resilience, Territorial Planning

Abstract

The risk of tsunami inundation is analyzed for an extreme event in the town of Tubul (37°S), Bio-Bio Region. Three scenarios were identified for risk assessment, in all of which numerical simulation was applied. Two of the three scenarios were local tsunamis, the events of 1835 and 2010, and the event of 1877 was included to determine the effects of a far field tsunami. The tsunami of 1835 was determined as an extreme event, which gave inundation heights of 10m and run-up of 10m. Vulnerability was analyzed from physical, socioeconomic and educational points of views. Two levels of vulnerability were defined, namely medium and high. These levels were selected based on the poor housing materials, the vulnerable socioeconomic profiles of the population, low educational levels and the population's reactions to these tsunami events. The results show that natural risk is obtained at the high level in the whole town. These results were also compared with the current Reconstruction Plan

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Author Biographies

Carolina Martínez, Universidad de Concepción (Chile)

Departamento de Geografía

Octavio Rojas, Universidad de Concepción (Chile)

Centro EULA-Chile y Departamento de Geografía

Rafael Aránguiz, Universidad Católica de la Santísima Concepción (Chile)

Departamento de Ingeniería Civil

Arturo Belmonte, Universidad de Concepción (Chile)

Departamento de Geofísica

Álvaro Altamirano, Universidad de Concepción (Chile)

Departamento de Geografía

Paulina Flores, Universidad de Concepción (Chile)

Departamento de Geografía

How to Cite

Martínez, C. ., Rojas, O. ., Aránguiz, R. ., Belmonte, A. ., Altamirano, Álvaro ., & Flores, P. . (2021). Riesgo de tsunami en caleta Tubul, Región del Biobío: escenarios extremos y transformaciones territoriales posterremoto. Revista De Geografía Norte Grande, (53), 85–106. https://doi.org/10.4067/S0718-34022012000300006

Issue

Section

Artículos