Abstract
An advanced method for estimating the earthquake grouping parameters R cr and T cr is proposed in order to identify interrelated seismic events. The method pursues continuity with the previous algorithm suggested in (Mirzoev, 1980; 1988a; 1988b; 1992; Mirzoev and Azizova, 1983; 1984) but uses a more realistic spatial model of the background seismicity. All the calculations in the method can be fully formalized and a preliminary expert estimation of the parameters is not required. The method provides stable estimates of the critical radius R cr and time T cr of grouping. Group earthquakes make up 50 to 75% of their total number.
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Original Russian Text © A.V. Deshcherevskii, K.M. Mirzoev, A.A. Lukk, 2016, published in Fizika Zemli, 2016, No. 1, pp. 79–97.
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Deshcherevskii, A.V., Mirzoev, K.M. & Lukk, A.A. Earthquake grouping criteria for spatially heterogeneous seismicity. Izv., Phys. Solid Earth 52, 78–95 (2016). https://doi.org/10.1134/S1069351315060026
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DOI: https://doi.org/10.1134/S1069351315060026