Quantitative assessment of the crust-upper mantle heterogeneities beneath the Gauribidanur seismic array in southern India

Details Quantitative assessment of the crust-upper mantle heterogeneities beneath the Gauribidanur seismic array in southern India Quantitative assessment of the crust-upper mantle heterogeneities beneath the Gauribidanur seismic array in southern India

Dec 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977e%26psl..37..326b&link_type=abstract

Earth and Planetary Science Letters, Volume 37, Issue 2, p. 326-332.

Computer Science

12

Scientific paper

The Chernov medium approach has been used in an extensive analysis of travel time residuals from 20 events recorded at the Gauribidanur (GBA) seismic array in southern India. Contrary to similar studies of subsets of NORSAR and LASA array data, the crust/upper mantle beneath GBA appears to be relatively homogeneous. The estimated r.m.s. velocity perturbations for GBA are around 0.2-0.3% which is an order of magnitude less than corresponding estimates for the large aperture arrays. The estimated correlation distance and minimum extent of the inhomogeneous medium was 20 km and 250 km, respectively, which is comparable to that obtained for NORSAR and LASA.

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