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The East Anatolian Fault: geometry, segmentation and jog characteristics

By
Tamer Y. Duman
Tamer Y. Duman
1
General Directorate of Mineral Research and Exploration (MTA), Department of Geological Research, 06800, Ankara, Turkey
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Ömer Emre
Ömer Emre
1
General Directorate of Mineral Research and Exploration (MTA), Department of Geological Research, 06800, Ankara, Turkey
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Published:
January 01, 2013

Abstract

A detailed account is given of the fault geometry and segment structure of the East Anatolian Fault Zone as a whole based on mapping of active faults, supported by available seismological and palaeoseismological data. We divide the East Anatolian Fault into two main strands: southern and northern. The main southern strand is c. 580 km long between Karlıova and Antakya, and connects with the Dead Sea Fault Zone and the Cyprus Arc via the Amik triple junction. The northern strand, termed the Sürgü–Misis Fault system, is c. 350 km long and connects with the Kyrenia–Misis Fault Zone beneath the Gulf of İskenderun. We infer that slip partitioning between the main and northern strands of the East Anatolian Fault accommodates 2/3 and 1/3 of the slip rate of the lateral motion between the Arabian and Anatolian plates, respectively in the Çelikhan–Adana–Antakya region. Taking account of the time elapsed from the latest events on the East Anatolian Fault, we suggest that the Pazarcık and Amanos segments have the potential to produce destructive earthquakes in the near future.

Supplementary material:

The data and interpretations given here are supported by five additional annotated field photographs and two tables of factual data, these are available at http://www.geolsoc.org.uk/SUP18568

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Contents

Geological Society, London, Special Publications

Geological Development of Anatolia and the Easternmost Mediterranean Region

A. H. F. Robertson
A. H. F. Robertson
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O. Parlak
O. Parlak
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U. C. Ünlügenç
U. C. Ünlügenç
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Geological Society of London
Volume
372
ISBN electronic:
9781862396357
Publication date:
January 01, 2013

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