Bulletin of the Seismological Society of America
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Bulletin of the Seismological Society of America; June 1973; v. 63; no. 3; p. 819-825
© 1973 Seismological Society of America
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A simple model of the crust and upper mantle in central Chile

L. CHUAQUI

DEPARTMENTO DE GEOFÍSICA Y GEODESIA UNIVERSIDAD DE CHILE, SANTIAGO, Chile

Abstract

A simplified model of the crust and upper mantle of central Chile is developed with P- and S-wave arrival times and is compared with previous gravimetric work on the area. The following structural parameters were determined: crustal P-wave velocity, upper mantle P-wave velocity, crustal thickness and orientation of the plane separating crust and upper mantle. The model obtained here agrees well with those calculated in the gravimetric study.






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