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1 1998

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Determination of the moment magnitude of mining tremos recorded by seismic stations at Ojców and Książ, Poland

Cembrzyńska-Wróbel B., Domański B.

Acta Geophysica Polonica

1998

Vol. 46, nr 3

295-305

The Upper Silesian Basin and the Lubin Copper Basin are a source of included seismicity. Stronger seismic events from these regions are recorded by the stations at Książ (KSP) and Ojców (OJC). In the present paper, the moment magnitude for selected series of mining tremors has been determined using spectral analysis of seismograms. The correlation between the values of seismic moment and the logarithm of the maximum amplitude of S-wave ground velocity and the epicentral distance of the event has been studied. The resultant relations can be used fo determining the magnitudes of local minig tremors.