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The Konya earthquakes of 10–11 September 2009 and soil conditions in Konya, Central Anatolia, Turkey

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Author(s): R. Aksoy | A. Demiröz

Journal: Natural Hazards and Earth System Sciences
ISSN 1561-8633

Volume: 12;
Issue: 2;
Start page: 295;
Date: 2012;
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ABSTRACT
Earthquakes registering magnitudes Md = 4.5 and 4.7 struck the city of Konya, Central Anatolia, on 10–11 September 2009, causing very slight damages. The earthquake epicenters were located at the east of Sille District along the Konya Fault Zone, a dip-slip fault. The nature and seismicity of the fault zone indicates that it is capable of producing earthquakes of moderate magnitudes. This paper summarizes the geologic data along the fault zone and documents groundwater conditions and analyzes borehole and geotechnical data of the Konya city. The residential area of the city covers an area of approximately 1150 square kilometers and consists almost entirely of flat land except for a small part of rugged land in the southwestern corner. Groundwater and geotechnical data were collected and analyzed to evaluate the liquefaction potential of deposits under the Konya city. This preliminary investigation indicates that areas for liquefaction are generally limited to the eastern and east central parts of the city.
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