International Journal of
Physical Sciences

  • Abbreviation: Int. J. Phys. Sci.
  • Language: English
  • ISSN: 1992-1950
  • DOI: 10.5897/IJPS
  • Start Year: 2006
  • Published Articles: 2572

Full Length Research Paper

A seismological view to Gökova region at southwestern Turkey

DoÄŸan KALAFAT1* and Gündüz HORASAN2
  1National Earthquake Monitoring Center, Kandilli Observatory and Earthquake Research Institute, BoÄŸaziçi University, 34680 Çengelköy, Istanbul, Turkey. 2Department of Geophysical Engineering, Engineering Faculty, Sakarya University, 54040, Sakarya, Turkey.
Email: [email protected]

  •  Accepted: 09 July 2012
  •  Published: 09 August 2012

Abstract

 

Recent seismic activity in Gökova region can be characterized by earthquake swarms, which mostly occured during 2004 and 2005. This activity was continued for seven months and 1558 seismic events were recorded at this period. The b-value of Guthenberg-Richter relation is investigated for this earthquake swarm and a high b-value is found as 1.73±0.08 using the maximum likelihood method. In this study, seismogram and spectrum characteristics of the earthquake events in Gokova region are analyzed. Accordingly, low frequency waveform and spectrum are obtained for shallow events whereas deeper events are observed to be characterized by high frequency waveform and spectrum. Apart from direct P and S waves, we noticed the presence of strong reflection phase on the seismograms. These reflected phases come from ~17 to 18 km depth in Gökova region.

 

Key words: Gökova region, reflected phase, earthquake swarm.

 

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This article is published under the terms of the Creative Commons Attribution License 4.0

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