On January 30 (delayed due to the US Government shutdown), the World Magnetic Model — which governs modern navigation systems — is due to undergo an urgent update.
This model is a vital component of systems ranging from geopositioning systems used to navigate ships through to smartphone trackers and maps.
The current model was expected to be valid until 2020. But the magnetic pole began to shift so quickly, it was realised in 2018 that the model had to be fixed — now.
“They realised that it was so inaccurate that it was about to exceed the acceptable (safe) limit for navigational errors,” Nature reports. ...
Link: https://www.news.com.au/technology/science/earths-magnetic-pole-is-on-the-move-fast-and-we-dont-know-why/news-story/341c92307a6b19d25b38836c6097be9d