Rayleigh wave phase velocities and upper mantle structure in the Apennines

M. CAPUTO, L. KNOPOFF, E. MANTOVANI, St. MUELLER, G. F. PANZA

Abstract


The dispersion of the phase velocities of the surface Rayleigh
waves on the path between the station pair Torino-L'Aquila in the
Apennines has been observed with long period seismic stations for twin
earthquakes.
The inversion was provided by the "Hedgehog" program of non-linear
inversion analysis.
The interpretation supports the notion that in the Apennines low-velocity
material in the mantle is found within a few km of the Moho and may
lie immediately below the Moho; however the alternative model of a highvelocity
lid and very low-velocity channel cannot be completely rejected.

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References


DOI: https://doi.org/10.4401/ag-4804
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Published by INGV, Istituto Nazionale di Geofisica e Vulcanologia - ISSN: 2037-416X