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Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
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Volume 1, issue 1/2
Nat. Hazards Earth Syst. Sci., 1, 69–73, 2001
https://doi.org/10.5194/nhess-1-69-2001
© Author(s) 2001. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

Special issue: Double Issue: Seismic hazard evaluation - Part I

Nat. Hazards Earth Syst. Sci., 1, 69–73, 2001
https://doi.org/10.5194/nhess-1-69-2001
© Author(s) 2001. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  30 Jun 2001

30 Jun 2001

Estimation of reliability of seismic and electromagnetic monitoring in seismic active areas by diffraction tomography

V. N. Troyan and Yu. V. Kiselev V. N. Troyan and Yu. V. Kiselev
  • Institute of Physics, St. Petersburg State University, Ul’yanovskaya 1, St. Petersburg, 198904, Russia

Abstract. This paper presents the algorithms and results of the numerical simulation of the solution of a 2-D inverse problem on the restoration of seismic parameters and electrical conductivity of local inhomogeneities by the diffraction tomography method based upon the first order Born approximation. The direct problems for the Lame and Maxwell equations are solved by the finite difference method. Restoration of inhomogeneities which are not very weak is implemented with the use of a small number of receivers (source-receiver pairs).

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