• Geomagnetic data
  • Geoelectric data
  • Atmospheric electric data
  • Observational investigation
  • Geomagnetic event catalogs
  • Annual means of geomagnetic data

  • 

    Chichijima Geomagnetic Field

    Annual mean digital data

    from 1973-02-01T00:00:00 to 1 year ago (-P1Y)

    Geomagnetic field (CBI)

    definitive

    DIHXYZF

    1-hour digital data

    from 1973-02-01T00:00:00 to 6 months ago (-P6M)

    Geomagnetic field (CBI)

    definitive

    DHZF

    1-minute digital data

    from 1989-02-19T00:00:00 to 6 months ago (-P6M)

    Geomagnetic field (CBI)

    definitive

    DHZF

    1-second digital data

    from 1993-11-01T00:00:00 to 6 months ago (-P6M)

    Geomagnetic field (CBI)

    definitive(variation) after(before) Jun. 2003

    DHZF or XYZF

    1-decisecond digital data

    from 2019-07-01T00:00:00 to 6 months ago (-P6M)

    Geomagnetic field (CBI)

    variation

    XYZF