Stacking of records of nuclear explosions registered by the world network of seismic stations

The methods and results of stacking of seismograms of nuclear explosions registered by the world network of seismic stations from 1980 until 1988 are presented. Stacking of seismograms obtained at one seismic station from the sources located in the same place allows us substantially to increase the useful signal/noise ratio. This, in turn, allows more confident correlation of various seismic waves coming to the seismic stations after the first arrivals, particularly, converted and reflected waves from different boundaries inside the Earth.