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Anomalies in geomagnetic variations on peninsular India near Palk Strait
Author(s) -
Thakur N. K.,
Mahashabde M. V.,
Arora B. R.,
Singh B. P.,
Srivastava B. J.,
Prasad S. N.
Publication year - 1981
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/gl008i009p00947
Subject(s) - geology , earth's magnetic field , sri lanka , magnetometer , geophysics , seismology , south asia , magnetic field , ancient history , physics , quantum mechanics , history
Anomalies in transient geomagnetic variations have been previously studied using data from five permanent observatories in the peninsular India. The results from the three observatories falling under the equatorial electrojet showed the presence of a strong current concentration between India and Sri Lanka Island. The currents seem to flow at the depth of the crust or upper mantle. These findings have been confirmed hereby by collecting data from an array of magnetometers. We associate the channelling to the presence of a geological conductor between India and Sri Lanka Island.