Currently, topical issue of seismic safety of a object of special type. In Russia, in 2009, put into operation a plant for the production, storage and transportation of liquefied natural gas (LNG text below) located in a seismically hazardous area. The most catastrophic consequences will arise if, as a result of the earthquake, there will be large-scale destruction of the LNG storage tank, located on the territory of the plant. To evaluate the seismic safety of a particular type of facilities, it is first necessary to determine the data describing the quantitative indicators of seismic effects on these facilities. To simulate the seismic action is necessary to set the parameters: the area under consideration - the southern part of Sakhalin Island, near the Aniva Bay, the city of Yuzhno-Sakhalinsk; isothermal tank (hereinafter referred IT) is a double-walled construction of 100 thousand m ^ 3, the height of 37 m and a diameter of 67 m.; natural gas, poured into the IT, is cooled to a temperature of minus 160 ° C. Turning to the liquid state, the volume is reduced by more than 600 times. After cooling, the LNG is stored at a temperature of minus 158 ° C.
magnitude, seismal focus, depth of focus, distance of epicenter, hypocentral distance, energy in seismal focus, length of break, the probability of occurrence of large earthquakes, evaluation of seismic risk, ground motion intensity, soil acceleration, sweep of soil acceleration.
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