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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 18, issue 3 | Copyright

Special issue: Damage of natural hazards: assessment and mitigation

Nat. Hazards Earth Syst. Sci., 18, 921-934, 2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 23 Mar 2018

Research article | 23 Mar 2018

Damage during the 6–24 February 2017 Ayvacık (Çanakkale) earthquake swarm

Ramazan Livaoğlu1, Mehmet Ömer Timurağaoğlu1, Cavit Serhatoğlu1, and Mahmud Sami Döven2 Ramazan Livaoğlu et al.
  • 1Department of Civil Engineering, Engineering Faculty, Uludağ University, Bursa, Turkey
  • 2Department of Civil Engineering, Engineering Faculty, Dumlupinar University, Kütahya, Turkey

Abstract. On 6 February 2017 an earthquake swarm began at the western end of Turkey. This was the first recorded swarm in the Çanakkale region since continuous seismic monitoring began in 1970. The number of earthquakes located increased during the following 10 days. This paper describes the output of a survey carried out in the earthquake-prone towns in the area of Ayvacık, Çanakkale, Turkey, in February 2017 after the earthquakes. Observations of traditional buildings were made on site at the rural area of Ayvacık. A description of the main structural features and their effects on the most frequently viewed damage modes were made according to in-plane, out-of-plane behavior of the wall regarding construction practice, connection type, etc. It was found that there were no convenient connections like cavity ties or sufficient mortar strength resulting in decreased and/or lack of lateral load bearing capacity of the wall. Furthermore, distribution maps of damaged/undamaged buildings according to villages, damage ratios, structures and damage levels are generated. Distribution maps showed that damage ratio of structures is higher in villages close to epicenter and decrease away from epicenter except Gülpınar, where past experiences and development level affect the construction quality.

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Short summary
The paper discusses the seismological aspects of the 6–24 February 2017 Ayvacık (Çanakkale) earthquake swarm, describes the classifications of buildings in the area and elaborates on the performance of various building types during the earthquakes, and evaluates the damage distributions according to villages, damage ratios, structures and damage levels.
The paper discusses the seismological aspects of the 6–24 February 2017 Ayvacık (Çanakkale)...