Figure 3From: International Geomagnetic Reference Field: the 12th generationMotion of the magnetic dip pole (red) and geomagnetic pole (blue) since 1900 from IGRF-12 in the northern hemisphere (left) and the southern hemisphere (right). Stereographic projection is employed. The scale bar gives an indication of distance on the WGS84 ellipsoid that is correct along lines of constant longitude and also along the middle lines of latitude shown.Back to article page