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Earthquake risk assessment for the building inventory of Muscat, Sultanate of Oman

Author

Listed:
  • Ufuk Hancilar

    (Bogazici University Teknopark)

  • Issa El-Hussain

    (Sultan Qaboos University (SQU))

  • Karin Sesetyan

    (Bogazici University Teknopark)

  • Ahmed Deif

    (Sultan Qaboos University (SQU))

  • Eser Cakti

    (Bogazici University Teknopark)

  • Ghazi Al-Rawas

    (Sultan Qaboos University (SQU))

  • Erdal Safak

    (Bogazici University Teknopark)

  • Khalifa Al-Jabri

    (Sultan Qaboos University (SQU))

Abstract

Earthquake risk can be quantified in terms of the estimated numbers of human casualties and of damaged buildings as well as the monetary losses. The information required for the assessment of earthquake risk in a given region includes the expected level of ground shaking intensity (i.e., the seismic hazard), inventory data for building stock at risk, identification of predominant building typologies and of their vulnerability characteristics, and spatial distribution of number of inhabitants. This study presents an indicative assessment of earthquake risk associated with the building stock in Muscat, the capital city of the Sultanate of Oman. For this purpose, building inventory and demographic data for the city are compiled in GIS environment. The buildings are classified to identify their damageability/vulnerability characteristics, and predominant building typologies are determined. For the estimation of casualties, Muscat population data are further analyzed to calculate number of occupants in the exposed building stock. Spectral acceleration–displacement based damage estimation methodology is implemented for risk calculations. Site-specific ground motions in terms spectral accelerations obtained from the probabilistic seismic hazard assessment for 475- and 2475-year return periods are considered for the representation of earthquake demand in damage analyses. Assessment of damage to buildings and estimation of casualties are obtained using analytical fragility relationships and building damage related casualty–vulnerability models, respectively. Earthquake risk maps illustrating the spatial distribution of number of damaged buildings at different damage states are presented for the considered levels of seismic hazard.

Suggested Citation

  • Ufuk Hancilar & Issa El-Hussain & Karin Sesetyan & Ahmed Deif & Eser Cakti & Ghazi Al-Rawas & Erdal Safak & Khalifa Al-Jabri, 2018. "Earthquake risk assessment for the building inventory of Muscat, Sultanate of Oman," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 93(3), pages 1419-1434, September.
    • Handle: RePEc:spr:nathaz:v:93:y:2018:i:3:d:10.1007_s11069-018-3357-1
    DOI: 10.1007/s11069-018-3357-1
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    References listed on IDEAS

    as
    1. I. El-Hussain & A. Deif & K. Al-Jabri & A. Mohamed & G. Al-Rawas & M. Toksöz & N. Sundararajan & S. El-Hady & S. Al-Hashmi & K. Al-Toubi & M. Al-Saifi & Z. Al-Habsi, 2013. "Seismic microzonation for Muscat region, Sultanate of Oman," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 69(3), pages 1919-1950, December.
    2. I. El-Hussain & A. Deif & K. Al-Jabri & N. Toksoz & S. El-Hady & S. Al-Hashmi & K. Al-Toubi & Y. Al-Shijbi & M. Al-Saifi & S. Kuleli, 2012. "Probabilistic seismic hazard maps for the sultanate of Oman," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 64(1), pages 173-210, October.
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    Cited by:

    1. Jamal Dabbeek & Vitor Silva, 2020. "Modeling the residential building stock in the Middle East for multi-hazard risk assessment," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 100(2), pages 781-810, January.

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