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Natural Hazards

, Volume 8, Issue 1, pp 1–18 | Cite as

Regionalization of seismic hazard in Greece based on seismic sources

  • B. C. Papazachos
  • Ch. A. Papaioannou
  • B. N. Margaris
  • N. P. Theodulidis
Article

Abstract

A semi-probabilistic approach to the seismic hazard assessment of Greece is presented. For this reason, a recent seismotectonic model for shallow and intermediate depth earthquake sources, based on historical as well as on instrumental data, was used. Different attenuation formulae were proposed for the macroseismic intensity and the strong ground motion parameters for the shallow and the intermediate focal depth shocks. The data were elaborated in terms of McGuire's computer program, which is based on the Cornell's method.

A grid of equally spaced points at 20 km distance was made and the seismic hazard recurrence curves for various parameters of the seismic intensity was estimated for each point. Finally, seismic hazard maps for the area of Greece were compiled utilizing the entire range of recurrence curves. These maps depict areas of equal seismic hazard and for every area the analytical relations of the typeSI =f(Tm), whereSI is a seismic intensity parameter andTm is the mean return period, were determined.

Key words

Seismic hazard regionalization Greece attenuation 

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Copyright information

© Kluwer Academic Publishers 1993

Authors and Affiliations

  • B. C. Papazachos
    • 1
  • Ch. A. Papaioannou
    • 1
  • B. N. Margaris
    • 2
  • N. P. Theodulidis
    • 2
  1. 1.Laboratory of GeophysicsUniversity of ThessalonikiThessalonikiGreece
  2. 2.Institute of Engineering Seismology and Earthquake EngineeringThessalonikiGreece

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