• An interpretation of induced magnetic variations near Shillong and Gulmarg

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    • Keywords


      Induction; magnetic variations; horizontal disturbance vector

    • Abstract


      Short-period events such as bays and storm sudden commencements (SSCs) have been analysed to investigate the nature of induced magnetic variations at two Indian magnetic observatories: Shillong and Gulmarg. It seems that near Gulmarg there is obvious connection between the induced magnetic variations and the two large scale features; the main central thrust (MCT) and the main boundary fault (MBF) in the north-west direction. The Dauki fault, an approximately east-west conductor, seems to be responsible for the conductivity anomalies at SHL.

    • Author Affiliations


      A K Agarwal1 H B Naik1

      1. Indian Institute of Geomagnetism, Colaba, Bombay - 400 005, India
    • Dates

  • Journal of Earth System Science | News

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      Posted on July 25, 2019

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