Seismic hazard studies for Gaziantep city in South Anatolia of Turkey

Hamza Güllü (), Atilla Ansal and Aydin Özbay

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2008, vol. 44, issue 1, 19-50

Abstract: Seismic hazard studies were conducted for Gaziantep city in the South Anatolia of Turkey. For this purpose, a new attenuation relationship was developed using the data of Zaré and Bard and accelerations were predicted employing this new equation. Deterministic approach, total probability theorem and GIS methodology were all together utilized for the seismic assessments. Seismic hazard maps with 0.25° grid intervals considering the site conditions were produced by the GIS technique. The results indicated that the acceleration values by the GIS hazard modelings were matched with the ones from the deterministic approach, however, they were underestimated comparing with the total probability theorem. In addition, the GIS based seismic hazard maps showed that the current seismic map of Turkey fairly yields conservative acceleration values for the Gaziantep region. Therefore, the constructed GIS hazard models are offered as a base map for a further modification of the current seismic hazard map. Copyright Springer Science+Business Media B.V. 2008

Keywords: Seismic hazard assessment; Attenuation relationship; Deterministic approach; Total probability theorem; GIS methodology (search for similar items in EconPapers)
Date: 2008
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DOI: 10.1007/s11069-007-9140-3

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