Tsunami hazard assessment along Diba-Oman and Diba-Al-Emirates coasts

Issa El-Hussain, Rachid Omira, Khalid Al-Bulushi, Ahmed Deif, Zaid Al-Habsi, Ghazi Al-Rawas, Adel Mohamad, Khalifa Al-Jabri, Maria Ana Baptista

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Abstract

Tsunami is among the most devastating natural hazards phenomenon responsible for significant loss of life and property throughout history. The Sultanate of Oman and United Arab Emirates are among the Indian Ocean countries that were subjected to one confirmed tsunami in November 27, 1945 due to an Mw 8.1 earthquake in Makran Subduction Zone. In this study, we present preliminary deterministic tsunami hazard assessment for the coasts of Diba Oman and Diba Al-Emirates, which are located on the western coast of the Oman Sea. The tsunami vulnerability of these cities increases due to the construction of many critical infrastructures and urban concentration along their coasts. Therefore, tsunami hazard assessment is necessary to mitigate the risk on the socio-economic system and sustainable developments. The major known source of tsunamis able to impact both coasts of Oman and United Arab Emirates is the Makran Subduction Zone (MSZ) which extends for approximately 900 km. The deterministic approach uses specific scenarios considering the maximum credible earthquakes occurring in the MSZ and computes the ensuing tsunami impact in the coasts of the study area. The maximum wave height graphs and inundation maps are obtained for tsunami scenarios caused by 8.8 earthquake magnitude in eastern MSZ and 8.2 magnitude from western MSZ. The Mw8.8 eastern MSZ causes a maximum inundation distance of 447 meters and a maximum flow depth of 1.37 meter. Maximum inundation distance larger than 420 meters occurs due to the Mw8.2 western MSZ scenario. For this scenario, numerical simulations show a maximum flow depth of about 2.34 meters.

Original languageEnglish
Article number06007
JournalMATEC Web of Conferences
Volume120
DOIs
Publication statusPublished - Aug 9 2017

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Tsunamis
Coastal zones
Hazards
Earthquakes
Critical infrastructures
Sustainable development
History
Economics
Computer simulation

ASJC Scopus subject areas

  • Chemistry(all)
  • Engineering(all)
  • Materials Science(all)

Cite this

Tsunami hazard assessment along Diba-Oman and Diba-Al-Emirates coasts. / El-Hussain, Issa; Omira, Rachid; Al-Bulushi, Khalid; Deif, Ahmed; Al-Habsi, Zaid; Al-Rawas, Ghazi; Mohamad, Adel; Al-Jabri, Khalifa; Baptista, Maria Ana.

In: MATEC Web of Conferences, Vol. 120, 06007, 09.08.2017.

Research output: Contribution to journalArticle

El-Hussain, Issa ; Omira, Rachid ; Al-Bulushi, Khalid ; Deif, Ahmed ; Al-Habsi, Zaid ; Al-Rawas, Ghazi ; Mohamad, Adel ; Al-Jabri, Khalifa ; Baptista, Maria Ana. / Tsunami hazard assessment along Diba-Oman and Diba-Al-Emirates coasts. In: MATEC Web of Conferences. 2017 ; Vol. 120.
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