Abstract

Abstract The velocity—depth distribution beneath central and eastern Europe is studied using travel-time data of a near-surface, well-located seismic event in central Europe and those of some underground nuclear explosions in the Soviet Union. The velocity—depth function obtained supports the hypothesis that lateral velocity variations in the upper mantle between the East European platform and central/southern Europe exist. From the observed heat flow field in Europe and the evaluated temperature—depth distribution, lateral velocity variations in the upper mantle can be explained by lateral variations of the temperature and the viscosity.

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