Araştırma Makalesi

Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses

Cilt: 5 Sayı: 2 27 Haziran 2026
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Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses

Öz

The Yeşilyurt Fault (YF) is an approximately 70 km long, NE–SW-trending, left-lateral strike-slip fault located in eastern Türkiye and constitutes a major structural element for assessing regional seismic hazard in Malatya Province. This study integrates multiple morphometric indices to quantitatively evaluate the spatial variability of tectonic activity along the YF and its associated drainage basins. Morphometric analyses were performed using mountain-front sinuosity (Smf), valley floor width–valley height ratio (Vf), hypsometric curves (HC) and hypsometric integrals (HI), asymmetry factor (AF), and stream length–gradient index (SL). These indices were applied to drainage basins distributed along four fault segments (S1–S4) to assess relative tectonic activity, uplift, basin tilting, and landscape evolution. Additionally, empirical fault length–magnitude relationships were used to estimate the seismic potential of individual segments and the entire fault zone. The results indicate that the S1, S2, and S3 segments are characterized by moderate to relatively high tectonic activity, reflected by moderate Smf and Vf values, elevated SL indices, and uplift rates ranging from 0.05 to 0.5 mm/yr. In contrast, the S4 segment exhibits comparatively lower tectonic activity, with uplift rates below 0.05 mm/yr, likely influenced by enhanced erosional processes and extensive alluvial fan development. Hypsometric analyses reveal pronounced spatial variability in basin evolution, ranging from youthful to mature and old geomorphic stages, while AF results indicate that approximately 80% of the drainage basins display asymmetric geometries, suggesting active tectonic tilting. The calculated relative tectonic activity (Iat) indices further confirm that the S1, S2, and S3 segments exhibit high tectonic activity, whereas the S4 segment is characterized by moderate activity. The occurrence of the Mw 6.0 earthquake on 6 October 2024 confirms the present-day activity of the YF, and when integrated with morphometric results and empirical estimates indicating a potential Mw ~7.2 earthquake in the case of full-fault rupture, the YF represents a significant seismic hazard for the region.

Anahtar Kelimeler

Etik Beyan

“There is no conflict of interest with any person/institution in the prepared article. Additionally, ethics committee approval is not required for this study.”

Teşekkür

I would like to express my sincere gratitude to everyone who supported and encouraged me during this work.

Kaynakça

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Ayrıntılar

Birincil Dil

İngilizce

Konular

Genel Jeoloji

Bölüm

Araştırma Makalesi

Yayımlanma Tarihi

27 Haziran 2026

Gönderilme Tarihi

8 Aralık 2025

Kabul Tarihi

13 Mart 2026

Yayımlandığı Sayı

Yıl 2026 Cilt: 5 Sayı: 2

Kaynak Göster

APA
Salman, S., Bulucu, Y., Fırat Aydın, İ., Elhisso, A., Göktaş, Y., Ağgün, F., & Köküm, M. (2026). Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses. Firat University Journal of Experimental and Computational Engineering, 5(2), 398-417. https://doi.org/10.62520/fujece.1838507
AMA
1.Salman S, Bulucu Y, Fırat Aydın İ, vd. Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses. Firat University Journal of Experimental and Computational Engineering. 2026;5(2):398-417. doi:10.62520/fujece.1838507
Chicago
Salman, Selin, Yusuf Bulucu, İlknur Fırat Aydın, vd. 2026. “Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses”. Firat University Journal of Experimental and Computational Engineering 5 (2): 398-417. https://doi.org/10.62520/fujece.1838507.
EndNote
Salman S, Bulucu Y, Fırat Aydın İ, Elhisso A, Göktaş Y, Ağgün F, Köküm M (01 Haziran 2026) Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses. Firat University Journal of Experimental and Computational Engineering 5 2 398–417.
IEEE
[1]S. Salman vd., “Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses”, Firat University Journal of Experimental and Computational Engineering, c. 5, sy 2, ss. 398–417, Haz. 2026, doi: 10.62520/fujece.1838507.
ISNAD
Salman, Selin - Bulucu, Yusuf - Fırat Aydın, İlknur - Elhisso, Abdulrahman - Göktaş, Yaren - Ağgün, Fikri - Köküm, Mehmet. “Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses”. Firat University Journal of Experimental and Computational Engineering 5/2 (01 Haziran 2026): 398-417. https://doi.org/10.62520/fujece.1838507.
JAMA
1.Salman S, Bulucu Y, Fırat Aydın İ, Elhisso A, Göktaş Y, Ağgün F, Köküm M. Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses. Firat University Journal of Experimental and Computational Engineering. 2026;5:398–417.
MLA
Salman, Selin, vd. “Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses”. Firat University Journal of Experimental and Computational Engineering, c. 5, sy 2, Haziran 2026, ss. 398-17, doi:10.62520/fujece.1838507.
Vancouver
1.Selin Salman, Yusuf Bulucu, İlknur Fırat Aydın, Abdulrahman Elhisso, Yaren Göktaş, Fikri Ağgün, Mehmet Köküm. Evaluation of the Relative Tectonic Activity of the Yeşilyurt Fault Using Morphometric Analyses. Firat University Journal of Experimental and Computational Engineering. 01 Haziran 2026;5(2):398-417. doi:10.62520/fujece.1838507