Earth’s magnetic north is not static. Like an anchorless buoy pushed by ocean waves, the magnetic field is constantly on the move as liquid iron sloshes around in the planet’s outer core.

The Earth's magnetic North Pole is moving east ... bother learning the names of streets anymore because they know Google Maps will get them where they need to go. While most of the ‘Maps ...

“The underlying physical reason for that? We’re not quite sure. It might have to do with the way the fluid-flow under the north pole is changing ... magnetic field maps for navigation.