Seismic activations in Italy in the 15th-21 st. centuries, from historical dataстатья
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Дата последнего поиска статьи во внешних источниках: 23 января 2020 г.
Аннотация:The article is an attempt to trace the seismic regime (temporal recurrence and grouping of strongearthquakes) in the central and southern Apennines during the historical period, beginning from the 13thcentury. The special attention is paid to consideration of seismic events of 2009–2017 in Italy in the contextof the spatiotemporal regularities of the regional strong seismicity in the past. The analysis of data on histor-ical and modern seismic catalogs enabled to identify eight seismic activations within the central and southernApennines since the 15th century. These are both general activations, covering the central and southernApennines, and those that occurred only within the central or predominantly southern Apennines. The iden-tified activations included from three to seven strong earthquakes and continued from 3 to 20 (?) years. Thelast activation of 1997–2017 is characterized by concentration of seismic events (with no extreme values ofmagnitudes and intensity) only in the central Apennines and by considerable duration. The role of historicalsources (in this case, the Saint Petersburg Vedomosti newspaper) in reconstructing a more complete timelineof past seismicity is emphasized.