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The one-dimensional computer calculations described in this report were performed to simulate stress-wave propagation and kinetic energy transfer associated with subsurface cratering detonations in soils. A hypothetical 20-ton-yield nuclear explosive was assumed as the energy source, surrounded by a single soil material. Various soil descriptions were selected in order to systematically study the range of soil response to the nuclear detonation. The soils were representative of the layered mixtures of sand and clay found at the ESSEX high-explosive cratering sites near Ft. Polk, Louisiana. Soil properties analyzed in this study include water saturation, bulk density, failure envelope, and low-pressure bulk modulus.