Summary
The south magnetic pole, also known as the magnetic south pole, is the point on Earth's Southern Hemisphere where the geomagnetic field lines are directed perpendicular to the nominal surface. The Geomagnetic South Pole, a related point, is the south pole of an ideal dipole model of the Earth's magnetic field that most closely fits the Earth's actual magnetic field. For historical reasons, the "end" of a freely hanging magnet that points (roughly) north is itself called the "north pole" of the magnet, and the other end, pointing south, is called the magnet's "south pole". Because opposite poles attract, Earth's south magnetic pole is physically actually a magnetic north pole (see also ). The south magnetic pole is constantly shifting due to changes in Earth's magnetic field. As of 2005 it was calculated to lie at , placing it off the coast of Antarctica, between Adélie Land and Wilkes Land. In 2015 it lay at (est). That point lies outside the Antarctic Circle. Due to polar drift, the pole is moving northwest by about per year. Its current distance from the actual Geographic South Pole is approximately . The nearest permanent science station is Dumont d'Urville Station. While the north magnetic pole began wandering very quickly in the mid 1990s, the movement of the south magnetic pole did not show a matching change of speed. Early unsuccessful attempts to reach the magnetic south pole included those of French explorer Dumont d'Urville (1837–40), American Charles Wilkes (expedition of 1838–42) and Briton James Clark Ross (expedition of 1839 to 1843). The first calculation of the magnetic inclination to locate the magnetic South Pole was made on 23 January 1838 by the hydrographer fr, a member of the Dumont d'Urville expedition in Antarctica and Oceania on the corvettes L'Astrolabe and Zélée in 1837–1840, which discovered Adelie Land. On 16 January 1909 three men (Douglas Mawson, Edgeworth David, and Alistair Mackay) from Sir Ernest Shackleton's Nimrod Expedition claimed to have found the south magnetic pole, which was at that time located on land.
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