{"metadata":{"source":"NOAA NCEI — Wandering of the Geomagnetic Poles","sourcePage":"https://www.ncei.noaa.gov/products/wandering-geomagnetic-poles","northSource":"https://www.ngdc.noaa.gov/geomag/data/poles/NP.xy","southSource":"https://www.ngdc.noaa.gov/geomag/data/poles/SP.xy","retrieved":"2026-10-21","yearStart":1590,"yearEnd":2025,"columns":["year","latitude","longitude"],"note":"Positions annuelles modélisées des pôles magnétiques (dip). Longitude normalisée de -180° à 180°. Les séries ne sont pas des observations directes ni des positions géomagnétiques dipolaires."},"north":[[1590,73.923,-111.831],[1591,74.059,-111.835],[1592,74.204,-111.843],[1593,74.345,-111.842],[1594,74.477,-111.829],[1595,74.604,-111.808],[1596,74.73,-111.78],[1597,74.853,-111.748],[1598,74.974,-111.71],[1599,75.092,-111.666],[1600,75.207,-111.618],[1601,75.32,-111.564],[1602,75.43,-111.508],[1603,75.538,-111.448],[1604,75.644,-111.386],[1605,75.747,-111.323],[1606,75.849,-111.258],[1607,75.947,-111.194],[1608,76.044,-111.13],[1609,76.138,-111.068],[1610,76.228,-111.009],[1611,76.315,-110.955],[1612,76.399,-110.904],[1613,76.48,-110.86],[1614,76.556,-110.821],[1615,76.627,-110.789],[1616,76.693,-110.762],[1617,76.753,-110.742],[1618,76.808,-110.727],[1619,76.856,-110.717],[1620,76.898,-110.711],[1621,76.934,-110.707],[1622,76.966,-110.705],[1623,76.993,-110.703],[1624,77.016,-110.701],[1625,77.036,-110.698],[1626,77.051,-110.694],[1627,77.063,-110.689],[1628,77.072,-110.683],[1629,77.078,-110.675],[1630,77.083,-110.665],[1631,77.085,-110.653],[1632,77.086,-110.64],[1633,77.085,-110.624],[1634,77.083,-110.608],[1635,77.077,-110.591],[1636,77.071,-110.572],[1637,77.064,-110.553],[1638,77.053,-110.534],[1639,77.039,-110.515],[1640,77.024,-110.497],[1641,77.005,-110.479],[1642,76.984,-110.464],[1643,76.958,-110.45],[1644,76.931,-110.439],[1645,76.899,-110.431],[1646,76.865,-110.427],[1647,76.829,-110.426],[1648,76.79,-110.428],[1649,76.75,-110.435],[1650,76.708,-110.445],[1651,76.666,-110.459],[1652,76.622,-110.476],[1653,76.578,-110.496],[1654,76.535,-110.519],[1655,76.491,-110.544],[1656,76.447,-110.572],[1657,76.405,-110.602],[1658,76.362,-110.634],[1659,76.321,-110.668],[1660,76.28,-110.703],[1661,76.238,-110.739],[1662,76.196,-110.777],[1663,76.154,-110.814],[1664,76.11,-110.852],[1665,76.066,-110.89],[1666,76.02,-110.928],[1667,75.974,-110.966],[1668,75.926,-111.004],[1669,75.879,-111.043],[1670,75.831,-111.081],[1671,75.783,-111.118],[1672,75.734,-111.155],[1673,75.685,-111.192],[1674,75.639,-111.228],[1675,75.591,-111.264],[1676,75.546,-111.3],[1677,75.503,-111.337],[1678,75.46,-111.376],[1679,75.42,-111.417],[1680,75.382,-111.461],[1681,75.345,-111.51],[1682,75.309,-111.564],[1683,75.274,-111.624],[1684,75.239,-111.689],[1685,75.204,-111.759],[1686,75.168,-111.834],[1687,75.131,-111.914],[1688,75.092,-111.998],[1689,75.052,-112.087],[1690,75.011,-112.181],[1691,74.969,-112.279],[1692,74.927,-112.382],[1693,74.883,-112.49],[1694,74.84,-112.602],[1695,74.796,-112.717],[1696,74.752,-112.837],[1697,74.709,-112.961],[1698,74.666,-113.087],[1699,74.625,-113.218],[1700,74.582,-113.35],[1701,74.541,-113.484],[1702,74.499,-113.619],[1703,74.458,-113.752],[1704,74.416,-113.881],[1705,74.374,-114.005],[1706,74.33,-114.121],[1707,74.284,-114.228],[1708,74.235,-114.324],[1709,74.183,-114.409],[1710,74.129,-114.481],[1711,74.072,-114.541],[1712,74.013,-114.587],[1713,73.952,-114.62],[1714,73.89,-114.641],[1715,73.826,-114.652],[1716,73.76,-114.652],[1717,73.694,-114.645],[1718,73.628,-114.631],[1719,73.562,-114.611],[1720,73.499,-114.589],[1721,73.438,-114.566],[1722,73.381,-114.545],[1723,73.327,-114.526],[1724,73.28,-114.513],[1725,73.24,-114.506],[1726,73.208,-114.507],[1727,73.182,-114.514],[1728,73.164,-114.527],[1729,73.152,-114.543],[1730,73.148,-114.56],[1731,73.149,-114.578],[1732,73.157,-114.595],[1733,73.171,-114.609],[1734,73.193,-114.622],[1735,73.22,-114.631],[1736,73.251,-114.639],[1737,73.289,-114.644],[1738,73.328,-114.646],[1739,73.37,-114.643],[1740,73.413,-114.635],[1741,73.456,-114.621],[1742,73.5,-114.601],[1743,73.542,-114.573],[1744,73.585,-114.539],[1745,73.628,-114.499],[1746,73.67,-114.453],[1747,73.712,-114.401],[1748,73.755,-114.343],[1749,73.799,-114.277],[1750,73.844,-114.204],[1751,73.889,-114.121],[1752,73.933,-114.026],[1753,73.978,-113.92],[1754,74.02,-113.796],[1755,74.057,-113.652],[1756,74.09,-113.486],[1757,74.115,-113.296],[1758,74.135,-113.082],[1759,74.146,-112.846],[1760,74.15,-112.59],[1761,74.148,-112.318],[1762,74.138,-112.031],[1763,74.121,-111.732],[1764,74.098,-111.421],[1765,74.069,-111.1],[1766,74.032,-110.766],[1767,73.987,-110.421],[1768,73.939,-110.067],[1769,73.885,-109.706],[1770,73.828,-109.344],[1771,73.769,-108.985],[1772,73.706,-108.634],[1773,73.64,-108.293],[1774,73.572,-107.965],[1775,73.501,-107.653],[1776,73.429,-107.355],[1777,73.357,-107.072],[1778,73.281,-106.8],[1779,73.203,-106.537],[1780,73.12,-106.28],[1781,73.035,-106.027],[1782,72.945,-105.775],[1783,72.85,-105.521],[1784,72.753,-105.265],[1785,72.649,-105.006],[1786,72.542,-104.745],[1787,72.433,-104.485],[1788,72.326,-104.231],[1789,72.223,-103.984],[1790,72.127,-103.749],[1791,72.04,-103.527],[1792,71.96,-103.317],[1793,71.89,-103.118],[1794,71.825,-102.927],[1795,71.767,-102.74],[1796,71.712,-102.555],[1797,71.662,-102.371],[1798,71.615,-102.187],[1799,71.574,-102.005],[1800,71.534,-101.821],[1801,71.495,-101.635],[1802,71.457,-101.449],[1803,71.417,-101.261],[1804,71.375,-101.075],[1805,71.331,-100.891],[1806,71.284,-100.71],[1807,71.235,-100.532],[1808,71.185,-100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