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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 18, issue 8 | Copyright
Nat. Hazards Earth Syst. Sci., 18, 2241-2260, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 24 Aug 2018

Research article | 24 Aug 2018

From tsunami risk assessment to disaster risk reduction – the case of Oman

Ignacio Aguirre-Ayerbe1, Jara Martínez Sánchez1, Íñigo Aniel-Quiroga1, Pino González-Riancho2, María Merino1, Sultan Al-Yahyai3, Mauricio González1, and Raúl Medina1 Ignacio Aguirre-Ayerbe et al.
  • 1Environmental Hydraulics Institute – IHCantabria, University of Cantabria, Santander, 39011, Spain
  • 2GFA Consulting Group, Hamburg, 22359, Germany
  • 3Directorate General of Meteorology and Air Navigation, Public Authority for Civil Aviation, Muscat, 111, Oman

Abstract. Oman is located in an area of high seismicity, facing the Makran Subduction Zone, which is the major source of earthquakes in the eastern border of the Arabian plate. These earthquakes, as evidenced by several past events, may trigger a tsunami event. The aim of this work is to minimize the consequences that tsunami events may cause in coastal communities by integrating tsunami risk assessment and risk reduction measures as part of the risk-management preparedness strategy. An integrated risk assessment approach and the analysis of site-specific conditions permitted to propose target-oriented risk reduction measures. The process included a participatory approach, involving a panel of local stakeholders and international experts. One of the main concerns of this work was to obtain a useful outcome for the actual improvement of tsunami risk management in Oman. This goal was achieved through the development of comprehensive and functional management tools such as the Tsunami Hazard, Vulnerability and Risk Atlas and the Risk Reduction Measures Handbook, which will help to design and plan a roadmap towards risk reduction.

The integrated tsunami risk assessment performed showed that the northern area of Oman would be the most affected, considering both the hazard and vulnerability components. This area also concentrates nearly 50% of the hot spots identified throughout the country, 70% of them are located in areas with a very high risk class, in which risk reduction measures were selected and prioritized.

Publications Copernicus
Short summary
Tsunamis are natural phenomena that may cause great destruction when they reach coastal areas. This study focuses on establishing a connection between technical and scientific tsunami risk assessment and disaster risk reduction. The ultimate goal is to reduce the consequences that a tsunami may have in tsunami prone communities, focusing on prevention and preparedness strategies, through the generation and application of useful tsunami-risk management tools. The work has focused on Oman.
Tsunamis are natural phenomena that may cause great destruction when they reach coastal areas....