Seismotectonics of the southern branch of North Anatolian Fault Zone along Bolu, Bursa, and İzmir cities and Değirmenlik (Milos) island in the Aegean Sea

Seyítoğlu, Gürol; Esat, Korhan; Kaypak, Bülent; ÇIVGIN, Begüm

doi:10.17824/yerbilimleri.948130

Cited by 2 publications

(5 citation statements)

References 36 publications

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“…Other studies also show this branch in their general fault maps (Ocakoğlu et al, 2005;Yaltırak et al, 2012). Seyitoğlu et al (2022b) provide segment distribution of the southern branch of NAFZ extended between Bolu to Değirmenlik (Milos) island via Gölpazarı, Bursa, Balıkesir, Manisa and İzmir (Fig. 4).…”

Section: Western Anatoliamentioning

confidence: 75%

“…vi) The southern branch of the NAFZ are defined from Bolu to Değirmenlik (Milos) island in the Aegean Sea via Mudurnu, Bursa, Balıkesir, Manisa and İzmir (Seyitoğlu et al, 2022b) (Fig. 4).…”

Section: Discussionmentioning

confidence: 99%

“…This observation supported the existence of a shear zone attributed to the southern branch of NAFZ in western Turkey in which its X-fractures are capable to produce moderate earthquakes such as recent the 2020.01.22 (Mw=5.5) Musalar-Akhisar earthquake. Moreover, the focal mechanism solutions of the 2020.10.30 (Mww=7.0) Sisam (Samos) earthquake's aftershocks clearly demonstrate that Ahikerya (Ikaria) depression can be evaluated as a pull-apart structure that is developed along the southern branch of NAFZ (Seyitoğlu et al, 2022b).…”

Section: Western Anatoliamentioning

confidence: 97%

“…The continuation of southern branch of the NAFZ in western Turkey (Seyitoğlu et al, 2022b) is unsuccessfully represented in our block modelling, probably due to the en echelon nature of fault segments in this area. Only three block boundaries, around Susurluk and İzmir, provide right-lateral slip rates ranging between -19.1±3.1mm/yr and -9.4±3.2mm/yr (Figs.…”

Section: Black Seamentioning

confidence: 97%

“…Apart from the contractional neotectonic province between the NAFZ, EFZ, and KEFZ, southwestern Anatolia plus Kırşehir massif move towards SW with counter-clockwise rotation (Çinku et al, 2016) along with the left-lateral Anatolian Diagonal Shear Zone and recently defined right-lateral southern branch of NAFZ (Seyitoğlu et al, 2016(Seyitoğlu et al, , 2022b between Bolu and Değirmenlik (Milos) island.…”

Section: Central Anatoliamentioning

confidence: 99%

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Neotectonics of Turkey (Türkiye) and surrounding regions: a new perspective with block modelling

Seyítoğlu

Aktuğ²,

Esat³

et al. 2022

GeA

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This paper aims to present a new neotectonic perspective concordant with the seismic activities in Turkey and surrounding regions. The neotectonic structures have been re-evaluated mainly by using focal mechanism solutions and high-resolution satellite (Google Earth) images. The Southeast Anatolian Wedge explains thrust/blind thrust and asymmetrical folding relationship in SE Turkey, Syria, and Northern Iraq. The neotectonic structures of the Turkish-Iranian Plateau are enlightened by the rhomboidal cell model which creates a base to determine multiple intersection points between the region-wide left- and right-lateral shear zones. The releasing stepover between the North Anatolian Fault Zone and Southeast Anatolian-Zagros Fault Zone plus their connections with the Northeast Anatolian Fault Zone and the East Anatolian Fault Zone are described in a more meaningful way with the Anatolian Diagonal concept. It also clarifies the role of left-lateral shear zone in the west-southwest movement of Anatolian plate and its relationship with the Aegean and Cyprus arcs. A neotectonic region under the influence of NW-SE contraction is determined between the North Anatolian, Eskişehir, and Kırıkkale-Erbaa fault zones in which the Elmadağ-Eldivan and Abdüsselam pinched crustal wedges and the Beypazarı Blind Thrust Zone are developed. A new route for the southern branch of the North Anatolian Fault Zone is determined between Bolu and Değirmenlik (Milos) Island in the Aegean Sea via Mudurnu, Bursa, Balıkesir, and İzmir. All main neotectonic structures mentioned in this paper are evaluated by the elastic dislocation modelling and new neotectonic provinces are suggested.

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Section: Western Anatoliamentioning

confidence: 75%

Section: Discussionmentioning

confidence: 99%

Section: Western Anatoliamentioning

confidence: 97%

Section: Black Seamentioning

confidence: 97%

Section: Central Anatoliamentioning

confidence: 99%

See 3 more Smart Citations

Neotectonics of Turkey (Türkiye) and surrounding regions: a new perspective with block modelling

Seyítoğlu

Aktuğ²,

Esat³

et al. 2022

GeA

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The Anatolian Diagonal: a broad left lateral shear zone between the North Anatolian Fault Zone and the Aegean / Cyprus Arcs

Seyítoğlu¹,

Tunçel²,

Kaypak³

et al. 2022

Türkiye Jeoloji Bülteni / Geological Bulletin of Turkey

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Recent detailed examination of the internal deformation of the Turkish-Iranian Plateau in the hinterland of Bitlis-Zagros Suture Zone, which is related to the collision of the Arabian and Eurasian plates, indicates multiple intersection points between the right-and left-lateral strike-slip structures explained by an inevitably broad leftlateral strike-slip shear zone, the Anatolian Diagonal.The faults bounding and internally deforming the Anatolian Diagonal were closely examined by using highresolution satellite images, focal mechanism solutions of the earthquakes, and published seismic reflection data in the offshore areas. The Anatolian Diagonal is a NE-SW trending left-lateral shear zone having a 170 km width between the Central Anatolian and the East Anatolian fault zones and an 850 km length between Erzincan and the Cyprus Arc. It has at least four intersection points with the right-lateral North Anatolian Fault Zone and the Southeast Anatolian-Zagros Fault Zone. As the offshore continuation of the Ecemiş-Deliler Fault of the Anatolian Diagonal, the Biruni Fault reaches the Cyprus Arc and Piri Reis (Mediterranean) Ridge Front west of Cyprus. This structure creates a restraining stepover with the left-lateral Antalya-Kekova Fault Zone and causes NW-SE trending thrusts of the Florence Rise and Antalya Thrust in the Antalya Basin. There is another restraining stepover between the Antalya-Kekova Fault Zone and the Pliny-Strabo Fault Zone, where the thrust-controlled northern margin of Rhodes basin developed.In this neotectonic framework, there is no need for the existence of the highly-debated left-lateral Fethiye-Burdur Fault Zone as an onshore continuation of the Pliny and Strabo faults. In fact, the westerly motion of the Anatolian plate is accommodated by the left-lateral Anatolian Diagonal Shear Zone, Antalya-Kekova Fault Zone and Pliny-Strabo Fault Zone together with the right-lateral North Anatolian Fault Zone.

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Seismotectonics of the southern branch of North Anatolian Fault Zone along Bolu, Bursa, and İzmir cities and Değirmenlik (Milos) island in the Aegean Sea

Cited by 2 publications

References 36 publications

Neotectonics of Turkey (Türkiye) and surrounding regions: a new perspective with block modelling

Neotectonics of Turkey (Türkiye) and surrounding regions: a new perspective with block modelling

The Anatolian Diagonal: a broad left lateral shear zone between the North Anatolian Fault Zone and the Aegean / Cyprus Arcs

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