Dynamic sub-surface characteristic and the active faults of the Genç District locating over the Bingöl Seismic Gap of the East Anatolian Fault Zone, Eastern Turkey

Kenan Akbayram (), Erdem Bayrak, Eren Pamuk, Çağlar Özer, Kemal Kıranşan and Sadık Varolgüneş
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Kenan Akbayram: Bingöl University
Erdem Bayrak: Ataturk University
Eren Pamuk: General Directorate of the Mineral Research and Exploration (MTA)
Çağlar Özer: Ataturk University
Kemal Kıranşan: Bingöl University
Sadık Varolgüneş: Bingöl University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2022, vol. 114, issue 1, No 35, 825-847

Abstract: Abstract The Genç District is located on the Bingöl Seismic Gap (BSG) of the Eastern Anatolian Fault Zone (EAFZ) with its ~ 34.000 residents. The Karlıova Triple Junction, where the EAFZ, the North Anatolian Fault Zone, and the Varto Fault Zone meet, is only 80 km NE of the Genç District. To make an earthquake disaster damage prediction of the Genç District, carrying a high risk of disaster, we have (1) prepared a new geological map, and (2) conducted a single-station microtremor survey. We defined that three SW-NE trending active faults of the sinistral Genç Fault Zone are cutting through the District. We have obtained dominant period (T) as 20, in the central part of the Genç District. We have also prepared damage prediction maps for three bedrock acceleration values (0.25, 0.50, 0.75 g). Our earthquake damage prediction scenarios evidenced that as the bedrock acceleration values increase, the area of soil plastic behavior expands linearly. Here we report that if the average expected peak ground acceleration value (0.55–0.625 g) is exceeded during an earthquake, significant damage would be inevitable for the central part of the Genç District where most of the schools, mosques, public buildings, and hospitals are settled-down.

Keywords: Bingöl Seismic Gap; Earthquake damage prediction; East Anatolian Fault Zone; Genç Fault Zone; Microtremor survey; Soil dynamic features (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1007/s11069-022-05414-8

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