A mysterious anomaly under Africa is radically weakening Earth's magnetic field | Antarctica | Scoop.it
From www.sciencealert.com - March 6, 2018 1:50 PM

Above our heads, something is not right. Earth's magnetic field is in a state of dramatic weakening – and according to mind-boggling new research, this phenomenal disruption is part of a pattern lasting for over 1,000 years.