Failure and flow development of a collapse induced complex landslide: the 2005 Kuzulu (Koyulhisar, Turkey) landslide hazard |
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| Authors: | I??k Yilmaz Tülay Ekemen Mustafa Yildirim ?nan Keskin Gül Özdemir |
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| Institution: | (1) Department of Geology, Faculty of Engineering, Cumhuriyet University, 58140 Sivas, Turkey |
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| Abstract: | Koyulhisar located in a slope of hilly region and constructed in the side of a mountain along the North Anatolian Fault Zone
is frequently subject to landslides. A catastrophic landslide occurred on the morning of 17 March 2005 in the North of the
Kuzulu district of Koyulhisar (Sivas, Turkey). This landslide caused widespread loss of life, and damage to buildings, and
lifelines. Fifteen people were dead and five were injured, 21 houses and a minaret were covered and damaged severely. The
case study presented in this paper describes and analyses the results of the detailed surveys of an interesting landslide
in Kuzulu district of Koyulhisar (Sivas, Turkey), based on field and laboratory measurements and monitoring of the slide area.
Landslide initiated as a collapse, and developed into debris avalanches in the valley. This phenomenon caused a disaster in
the Kuzulu district. The importance of this landslide in particular has been recognized both in terms of its consequence for
the people and structures and in terms of its role in allowing an understanding of process and properties of landslide triggered
by a collapse in limestone karst. In view of the potential for such events to occur again in this area and environs, understanding
of the failure mechanism is very crucial. |
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| Keywords: | Karst Koyulhisar (Turkey) Landslide Limestone North Anatolian Fault Weathering |
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