The US Geologic Survey website has a lot of interesting info on the magnetic fields. The site can be challenging to navigate.

The are many areas of magnetic anomaly.  These anomalies  could explain the existence of the Bermuda triangle.

There is also information on volcanoes. tectonic plates, earthquakes, earthquake notification programs-lots of good stuff. You are paying for it, might as well enjoy it.

https://www.lewrockwell.com/2018/02/tyler-durden/the-earths-magnetic-field-is-shifting-poles-may-flip-this-could-get-bad/

“The shield that protects the Earth from solar radiation is under attack from within. We can’t prevent it, but we ought to prepare…” is the ominous sub-headline of a worrisome new report that shows scientists around the world fearing that the earth’s magnetic field is shifting, with potentially disastrous consequences for mankind… Read the rest of this entry »