Fig. (1) Calculation and mapping of probable seismic impacts for the purposes of the DSZ. “Medium” ground conditions. The average period of recurrence is 500 years. a - assessment of the probable macroseismic intensity of shakes (in MSK points) in the Pritashket district. Dotted line - borders of Tashkent city b - assessment of probable peak accelerations (in m/s/s) in the territory of northern Sakhalin. Bold lines - the axes of the PSS zones according to V.I. Ulomov (Set of ..., 1999).