Earthquake history of the Yatagan Fault (Mugla, SW Turkey): implications for regional seismic hazard assessment and paleoseismology in extensional provinces

Basmenji M., Akyüz H. S., Kirkan E., AKSOY M. E., Uçarkuş G., Yakupoğlu N.

TURKISH JOURNAL OF EARTH SCIENCES, cilt.30, sa.2, ss.161-181, 2021 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 30 Sayı: 2
  • Basım Tarihi: 2021
  • Doi Numarası: 10.3906/yer-2006-23
  • Dergi Adı: TURKISH JOURNAL OF EARTH SCIENCES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Geobase, INSPEC, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.161-181
  • Anahtar Kelimeler: Yatagan Fault, paleoseismology, active tectonics, western Anatolia, CENTRAL ITALY EARTHQUAKE, ACTIVE TECTONICS, CENTRAL GREECE, HELLENIC ARC, AEGEAN SEA, EVOLUTION, CONSTRAINTS, SYSTEM, ZONE, NEOTECTONICS
  • İstanbul Teknik Üniversitesi Adresli: Evet

Özet

The southern part of the Western Anatolia Extensional Province is governed by E-W-trending horst-graben systems and NW-SE-oriented active faults. The NW-striking Yatagan Fault is characterised by an almost pure normal sense of motion with a minor dextral strike slip component. Although the settlements within the area have been affected by several earthquake events since ancient times (similar to 2000 BCE), the earthquake potential and history of the Yatagan Fault has remained unknown until a few years ago. Considering the growing dense population within the area, paleoseismology studies were conducted in order to illuminate the historical earthquake activity on the Yatagan Fault. Two trenches were excavated on the fault. Structural and stratigraphic evidence from the both trenches indicated an event horizon of a paleo-earthquake that was dated between 366 and 160 BCE and 342 +/- 131 CE. This event horizon most probably reflected the evidence of the latest large earthquake rupture on the Yatagan Fault.