The intriguing tsunami of 19 March 2017 at Bandar Dayyer, Iran: field survey and simulations

Amir Salaree*, Reza Mansouri, Emile A. Okal

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

We present a field survey and a number of simulations of the local Persian Gulf tsunami of 19 March 2017 at Bandar Dayyer, Iran, which resulted in one death, five persons missing and significant damage to the port. The field survey defined the inundated area as extending ∼40 km along the coast, with major effects concentrated on an ∼8 km stretch immediately west of Dayyer, a maximum run-up of 3 m and maximum inundation reaching 600 m. In the absence of significant earthquakes on that day, we first test the possibility of generation of a landslide; however, our simulations for legitimate sources fail to reproduce the distribution of run-up along the coast. We prefer the model of a meteorological tsunami, triggered by Proudman resonance with a hypothetical weather front moving at 10 m/s in a NNW azimuth, which could be an ancillary phenomenon to a major shamal wind system present over the Persian Gulf on that day. More detailed simulations of the Dayyer tsunami would require an improved bathymetric grid in the vicinity of the relevant coastal segment.

Original languageEnglish (US)
Pages (from-to)1277-1307
Number of pages31
JournalNatural Hazards
Volume90
Issue number3
DOIs
StatePublished - Feb 1 2018

Keywords

  • Field survey
  • Meteotsunami
  • Persian Gulf
  • Simulation
  • Tsunami

ASJC Scopus subject areas

  • Water Science and Technology
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)

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