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Robert Tenzer

. Inter., 200-201, 37-44. Braitenberg C., Zadro M., 1999: Iterative 3D gravity inversion with integration of seis- mologic data. Boll. Geof. Teor. Appl., 40, 3/4, 469-476. Braitenberg C., Wienecke S., Wang Y., 2006: Basement structures from satellite-derived gravity field: south China Sea ridge. J. Geophys. Res., 111, B05407. Braitenberg C., Mariani P., Reguzzoni M., Ussami N., 2010: GOCE observations for de­tecting unknown tectonic features. In: Proc. of the ESA Living Planet Symposium, 28 June - 2, July 2010, Bergen

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Robert Tenzer, Mohammad Bagherbandi and Peter Vajda

., Schwintzer P., Tikhotsky S. A., 1999: Global isostatic gravity model of the Earth. Geophys. J. Int., 136 , 519-536. Kaban M. K., Mooney W. D., 2001: Density structure of the lithosphere in the southwestern United States and its tectonic significance. J. Geophys. Res. , 106 , 721-740. Kaban M. K., Schwintzer P., 2001: Oceanic upper mantle structure from experimental scaling of V s and density at different depths. Geophys. J. Int., 147 , 199-214. Kaban M. K., Schwintzer P., Reigber Ch., 2004

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Robert Tenzer, Hamayun and Peter Vajda

-7807. Dérerová J., Zeyen H., Bielik M., Salman K., 2006: Application of integrated geophysical modeling for determination of the continental lithospheric thermal structure in the eastern Carpathians. Tectonics , 25, 3, doi: TC3009 10.1029/2005TC001883. Hager B. H., 1983: Global isostatic geoid anomalies for plate and boundary layer models of the lithosphere. Earth Planet. Sci. Lett. , 63, 97-109. Heiskanen W. H., Moritz H., 1967: Physical geodesy. San Francisco, WH Freeman and Co. Hinze W. J., 2003

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Zbigniew Szczerbowski

. 4, Meckenheim, Germany 2007, pp. 30-34. Brandt S. (1999). Analiza danych. Metody statystyczne i obliczeniowe . Wydawnictwo Naukowe PWN. Warszawa. Butra J. and Kudełko, J. (2011). Rockburst hazard evaluation and prevention methods in Polish copper mines. Cuprum , 61(4), 2011, pp. 5-20. Cacoń S., Bosy J., Kontny B. (2004). Recent Tectonic Activity in the Eastern Sudetes and on the Fore-Sudetic Block on the basis of 1993-2003 investigations. Reports on Geodety, Vol. 2 No. 69, Warszawa 2004, pp. 197-211. Dyjor S. (1993). Etapy blokowego

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Zbigniew Szczerbowski

1 Introduction Natural state of stress in a rock mass depends on many factors as gravity, tectonics, and so on. But this state disturbed by mining leads to local increases or decreases of stress. Geomechanical condition is fundamental in the process of deformation and changes in stress field. Seismicity induced by mining and earthquakes have the same basic mechanisms but they occur on different scales. The similarity in both is the difficulty in prediction. A large amount of work has been spent on solving the problem of modelling of stress in rock mass as