Magnetic north just changed. Here’s what that means.

At the 2018 American Geophysical Union fall meeting, Livermore presented what he calls a magnetic field “tug-of-war” that may offer an explanation for the recent odd behavior. The north magnetic pole seems to be controlled by two patches of magnetic field, he explains, one under northern Canada and one under Siberia. Historically, the one under northern Canada seems to have been stronger, keeping the magnetic pole in its clutches. But recently, that seems to have changed.

“The Siberian patch looks like it’s winning the battle,” he says. “It’s sort of pulling the magnetic field all the way across to its side of the geographic pole.”

Continue reading:  Magnetic north just changed. Here’s what that means.

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