Abstract
Abstract Residuals of teleseismic P-wave arrival times at the CIPE network were used to estimate the three-dimensional velocity structure of the upper mantle by means of the inversion procedure described by Aki et al. (1977). Two models with different depth ranges (233 and 500 km, respectively) have been determined. They refer to the upper mantle beneath the Central European part of the Variscian fold-belt and its transition to the East European platform north of it. Both models reveal a lateral velocity increase within the upper mantle. It is directed to the northeast within the lithosphere and at least a part of the asthenosphere, and in a more northerly direction at greater depth. Furthermore, there seems to exist a local inhomogeneity west of Prague at a depth of some 200 km.
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