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Kinematics of the eastern Caucasus near Baku, Azerbaijan

Author

Listed:
  • Fakhraddin Kadirov
  • Michael Floyd
  • Akif Alizadeh
  • Ibrahim Guliev
  • Robert Reilinger
  • Sadi Kuleli
  • Robert King
  • M. Nafi Toksoz

Abstract

The potential for large, shallow earthquakes and their associated seismic hazard in the eastern Caucasus, an area of dense population and sensitive industrial infrastructure, remains speculative based on historical precedent and current geologic and seismologic observations. Here we present updated and expanded results from a GPS network between the northern edge of the Lesser Caucasus and Greater Caucasus, providing geodetic constraints to the problem. A significant strain rate is observed in a profile over a distance of about 150 km across the Kura Basin. We attribute this to inter-seismic strain accumulation on buried fault structures and present simple elastic dislocation models for their plausible geometry and slip rate based on the known geology, seismicity and the GPS velocities. Due to the close proximity of the strain anomaly to Baku, further observations are needed to determine whether observed contraction is due to inter-seismically locked faults and, if so, implications for the seismic hazard in the region. Copyright Springer Science+Business Media B.V. 2012

Suggested Citation

  • Fakhraddin Kadirov & Michael Floyd & Akif Alizadeh & Ibrahim Guliev & Robert Reilinger & Sadi Kuleli & Robert King & M. Nafi Toksoz, 2012. "Kinematics of the eastern Caucasus near Baku, Azerbaijan," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 63(2), pages 997-1006, September.
    • Handle: RePEc:spr:nathaz:v:63:y:2012:i:2:p:997-1006
    DOI: 10.1007/s11069-012-0199-0
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    Citations

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    Cited by:

    1. N. Zhou & S. Zhao, 2013. "Urbanization process and induced environmental geological hazards in China," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 67(2), pages 797-810, June.
    2. Telesca, Luciano & Lovallo, Michele & Babayev, Gulam & Kadirov, Fakhraddin, 2013. "Spectral and informational analysis of seismicity: An application to the 1996–2012 seismicity of the Northern Caucasus–Azerbaijan part of the greater Caucasus–Kopet Dag region," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 392(23), pages 6064-6078.
    3. Telesca, Luciano & Lovallo, Michele & Mammadov, Samir & Kadirov, Fakhraddin & Babayev, Gulam, 2015. "Power spectrum analysis and multifractal detrended fluctuation analysis of Earth’s gravity time series," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 428(C), pages 426-434.
    4. G. Babayev & L. Telesca, 2014. "Strong motion scenario of 25th November 2000 earthquake for Absheron peninsula (Azerbaijan)," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 73(3), pages 1647-1661, September.

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