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DYNAMIC MONITORING LINKED TO MINING: CASE STUDIES INBULGARIA (PROVADIA) AND BELARUS (STAROBIN)

I. Paskaleva, A. Aronov, G. Valev, R. Seroglazov, M. Kouteva, T. Aronova

Abstract

This work focuses on the assessment of seismic risk issues associated with the potassium salt deposit of Provadia and Soligorsk. The long-term studies 1983-2007 of the only terrestrial Bulgarian salt deposit (Provadia - 43.060N, 27.450E) and Belarusian (Starobin - 52.840N, 27.470E) in connection with the observed higher seismic activity and probable manifestations of technogenic seismicity in the region is presented. The characteristic features of the seismic processes as the identity of the curves of recurrence of seismic events of the energy range of 4Г·8; a quasi-periodic character of the seismicity activation in time against the general trend of seismicity activation increasing are established. It is shown that zones of epicenters of seismic events are larger that mining areas. Some differences in the pattern of seismic processes, such as: seismic activity in the range of small energies (K=4Г·8) is higher in the Soligorsk region; events of the higher energy class K>9 characteristic of the Provadia region are carried out.

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