Modeling of tsunami propagation in the vicinity of the southern coasts of Iran

Mohammad Heidarzadeh, Moharram D. Pirooz, Mohammad Mokhtari, Nasser H. Zaker

Research output: Chapter or section in a book/report/conference proceedingChapter in a published conference proceeding

2 Citations (SciVal)

Abstract

The extensive death toll and sever economical damages brought by the 2004 Indian Ocean tsunami has emphasized the urgent need for assessing the hazard of tsunami in this ocean, and determining the most vulnerable coastlines to the impact of possible tsunami. In this paper the hazard of tsunami for southern coasts of Iran bordering the Indian Ocean is discussed. At first, historical data of tsunami occurrences on the Iranian southern coasts are collected, described and analyzed. Then, numerical simulation of potential tsunamis in the Makran subduction zone is performed and the tsunami wave height distribution along the Iranian coast is calculated. The Makran subduction zone is among two main tsunamigenic zones in the Indian Ocean. In this zone the Oman oceanic plate subducts beneath the Iranian Micro-plate at an estimated rate of about 19 mm/yr. Historically, there is the potential for tsunami generation in this region and several tsunamis attacked the Makran coastlines in the past. The most recent tsunami in this region has occurred on 28 November 1945 which took the lives of more than 4000 people in the coasts of Iran, Pakistan, India, and Oman. Here we examine the seafloor uplift of the Makran zone and its potential for generating destructive tsunamis in the southern coastlines of Iran. Several earthquake scenarios with moment magnitudes ranging between 6.5 and 8.5 are used as initial conditions for analysis. For scenario of an earthquake with magnitude of 8.0, propagation of tsunami waves on coastlines and wave time histories in selected reference locations are calculated.

Original languageEnglish
Title of host publicationProceedings of the 26th International Conference on Offshore Mechanics and Arctic Engineering 2007, OMAE2007
Pages223-234
Number of pages12
DOIs
Publication statusPublished - 31 Dec 2007
Event26th International Conference on Offshore Mechanics and Arctic Engineering 2007, OMAE2007 - San Diego, CA, USA United States
Duration: 10 Jun 200715 Jun 2007

Publication series

NameProceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Volume5

Conference

Conference26th International Conference on Offshore Mechanics and Arctic Engineering 2007, OMAE2007
Country/TerritoryUSA United States
CitySan Diego, CA
Period10/06/0715/06/07

ASJC Scopus subject areas

  • Ocean Engineering
  • Energy Engineering and Power Technology
  • Mechanical Engineering

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