Seismic hazard studies for Gaziantep city in South Anatolia of Turkey

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...

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Bibliographic Details
Published in:Natural hazards (Dordrecht) 2008, Vol.44 (1), p.19-50
Main Authors: Güllü, Hamza, Ansal, Atilla M., Özbay, Aydin
Format: Article
Language:English
Subjects:
Civil Engineering
Earth and Environmental Science
Earth Sciences
Earth, ocean, space
Earthquakes, seismology
Engineering and environment geology. Geothermics
Environmental Management
Exact sciences and technology
Geographic information systems
Geophysics/Geodesy
Geotechnical Engineering & Applied Earth Sciences
Hazards
Hydrogeology
Internal geophysics
Natural Hazards
Natural hazards: prediction, damages, etc
Original Paper
Risk assessment
Seismic activity
Seismic hazard
Seismology
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Summary: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.
ISSN:0921-030X
1573-0840
DOI:10.1007/s11069-007-9140-3