Earthquake grouping criteria for spatially heterogeneous seismicityстатья
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Дата последнего поиска статьи во внешних источниках: 17 декабря 2018 г.
Аннотация:Abstract — An advanced method for estimating the earthquake grouping parameters Rcr and Tcr 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 Rcr and time Tcr of grouping. Group earthquakes make up 50 to 75% of their total number.Keywords: earthquake grouping, grouping criteria, critical grouping radius