Guliaev A. N. – Institute of Geophysics, the Ural Branch of RAS, Ekaterinburg, the Russian Federation.
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Within the boundaries of the Ural region at the present stage rare sensible earthquakes are recorded with magnitude from
3–4 to 5–6 on the MSK64 scale, which accompany the making of the newest Ural orogen. The majority of the focuses of
sensible earthquakes of the region is allocated within the boundaries of the Middle Ural seismodomen, which can be
considered as the area of possible generation of the focuses of sensible earthquakes in the future. Seismodomen is timed
to area of interference of submeridional Ural mountain belt, which divides the East European Craton (EEC) and West
Siberian Plate, and the north-eastern border of the Russian Plate of the East European Craton. Within the boundaries of
the Middle Ural seismodomen, four seismocentres are distinguished, they are Dobryansky, Serebryansky, Bilimbaevsky
and Zlatoust-Miass-Kyshtymsky, where the most part of sensible earthquakes focuses is located, and consequently, the
most part of seismic energy of bowels in the region. The generation of the focuses of the strongest (with magnitude from
4.5 to 5.0) sensible earthquakes in 1788–2017 was registered within Serebryansky and Bilimbaevsky seismocentres,
situated in the central part of the Middle Ural seismodomen, timed to the interference area of geodynamic influence of the
Main Ural Fault and the north-western boundary zone of the Russian Plate of the East European Craton. The possibility
of generation of the focuses of sensible earthquakes with magnitude from 4.5 to 5.0 and with 6 points strength on the
MSK-64 scale within the boundaries of the given region is roughly rated as once in 80–120 years.
Key words: the newest orogen; earthquake activity; focuses of sensible earthquakes; seismocentres; the area of possible
generation of the focuses of sensible earthquake.
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