The paper reports simulation results on gravity stress fields of the inhomogeneous Earth's tectonosphere. The investigation is performed using an algorithm for studying the stable movement of the tectonosphere in a gravity field, whose stress-strain state is characterized by a nonuniform distribution of physical and mechanical properties. In a 3D coordinate system (depth, latitude, longitude), the kinematics is described by the Green strain tensor components, the stress state is described by the asymmetric Piola-Kirchhoff stress tensor, and the deformability of the medium is described by the Murnaghan equation of state. The results are used to analyze the inhomogeneous gravity stress fields in the Earth's crust caused by its nonuniform density distribution through the parameter p +/- Delta p. The calculation of gravity stress intensity fields and modeling of the block-layer structure of the crust are carried out for the profile of the Central Kurils. The spatial stress distribution, local features, and concentration of isolines of the stress field are consistent with the density differentiation of the Earth's crust along the given profile. A detailed description of the block-layer structure of the crust along the Central Kurils profile is provided for the hypocenter of the 2006 Simushir earthquake.
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