Esp, when you factor in how much magnetic North has been moving over the last couple of years! I am sure it is something to do with the core/mantle interaction but nonetheless, it is fascinating since we honestly do not have a clue! 

Cje95

Great article.

> the phenomenon is not a freak event of recent times, but a recurrent magnetic event that may have affected Earth since as far back as 11 million years ago.

> If so, that could signal that the South Atlantic Anomaly is not a trigger or precursor to the entire planet's magnetic field flipping, which is something that actually happens, if not for hundreds of thousands of years at a time.

chaoticalHeavy

science

The oceans are so fascinating and it is remarkable we know more about outer space than we do about our own oceans! This and the "gravity hole" in the Indian Ocean are two fascinating things that I love geeking out about and learning outside of work!  