18/02/2025
The magnetic North Pole has officially shifted position, continuing its movement away from Canada and towards Siberia.
The event has prompted a recalibration of navigation systems used in ships, airplanes, and other technologies.
This point on Earth, where the magnetic field points vertically downwards, is constantly changing due to the dynamic movement of iron and nickel within our planet's core. Experts around the world collaborate every five years to update the World Magnetic Model (or WMM), a crucial tool that maps this shifting magnetic landscape. Historically, the magnetic North Pole has drifted slowly around Canada since the 1500s, but recent decades have seen an unprecedented acceleration towards Siberia, followed by a sudden deceleration in the past five years.
This unusual behavior is attributed to the influence of two large magnetic lobes beneath Canada and Siberia. The latest WMM, released in 2025, provides a more precise map of magnetic north, including a higher resolution version with ten times greater detail than previous models. This improved accuracy is vital for navigation.
For instance, a journey from South Africa to the UK using the old WMM could result in a 150 km deviation. While mapping and logistics companies, governments, and agencies will actively incorporate these updates, consumers won't need to manually adjust their phones or satellite navigation, as the changes will be implemented automatically. Since its discovery in 1831, tracking the magnetic North Pole has become increasingly important for understanding our planet's dynamic magnetic field.
To see a larger image: https://www.ncei.noaa.gov/sites/g/files/anmtlf171/files/inline-images/WMM2025_declination_arctic_boz_large_0.jpg
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