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Journal of Seismology

, Volume 12, Issue 4, pp 499–517 | Cite as

Relative source time functions of seismic events at the Rudna copper mine, Poland: estimation of inversion uncertainties

  • G. KwiatekEmail author
Original article

Abstract

The relative source time function (RSTF) inversion uncertainty assessment was performed for two small, mining-induced seismic events (M W =2.9 and 3.0) that occurred at Rudna copper mine in Poland. The seismograms of selected events were recorded by the seismic net work composed of over 60, short-period, vertical seismometers, recording ground velocity, located in the distance ranging from 400 m up to 8 km from their hypocenters. The RSTFs were calculated for each seismic station independently, using the empirical Green’s function technique. The pseudospectral approximation of the sought RSTF by a finite sum of Gaussian kernel functions was used and the inverse problem was solved with the adaptive simulated annealing algorithm. Both methods improved the stability of the deconvolution procedure and physical correctness of the final solution in comparison to the classical deconvolution methods. To estimate the inversion uncertainties, classical Markov-chain Monte-Carlo techniques were used. The uncertainty analysis allows for improved selection of a priori data to the following inversion for kinematic rupture process.

Keywords

Induced seismicity Seismic source tomography Monte Carlo methods Markov chains 

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Copyright information

© Springer Science+Business Media B.V. 2008

Authors and Affiliations

  1. 1.GeoForschungsZentrum PotsdamPotsdamGermany

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