Seismic Hazard and Seismic Design Requirements for the Arabian Peninsula Region

Abstract eng:
This paper presents the results of a regional seismic hazard assessment undertaken for the Arabian Peninsula region. This area includes a number of major regional tectonic features including the Zagros and Makran regions to the north and east, the Dead Sea and Red Sea to the west and the Gulf of Aden and Owen Fracture Zone to the south and southeast, with the stable continental Arabian Plate in the centre of the region. An earthquake catalogue has been compiled and critically reviewed for this region and seismic source zones and their associated magnitude recurrence parameters defined. Attenuation relationships have been selected based on the tectonic character of the source zones. The uncertainty in each element of the hazard assessment has been included in the assessment using logic tree methodology. The seismic hazard results are presented in the form of peak ground motions and uniform hazard response spectra for selected cities in the region. The paper also discusses how these results compare with design values typically used for seismic design purposes in the region.

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