09 JANUARY 2019
Earth’s magnetic field is acting up and geologists don’t know why
Erratic motion of north magnetic pole forces experts to update model that aids global navigation.
https://www.nature.com/articles/d41586-019-00007-1
Something strange is going on at the top of the world. Earth’s north magnetic pole has been skittering away from Canada and towards Siberia, driven by liquid iron sloshing within the planet’s core. The magnetic pole is moving so quickly that it has forced the world’s geomagnetism experts into a rare move.
The most recent version of the model came out in 2015 and was supposed to last until 2020 — but the magnetic field is changing so rapidly that researchers have to fix the model now. “The error is increasing all the time,” says Arnaud Chulliat, a geomagnetist at the University of Colorado Boulder and the National Oceanic and Atmospheric Administration’s (NOAA’s) National Centers for Environmental Information.
In the meantime, scientists are working to understand why the magnetic field is changing so dramatically. Geomagnetic pulses, like the one that happened in 2016, might be traced back to ‘hydromagnetic’ waves arising from deep in the core1. And the fast motion of the north magnetic pole could be linked to a high-speed jet of liquid iron beneath Canada2.
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I’ve been predicting this since the early 1990’s. I explained this at a conference and everyone laughed. Hang on to your hats.
Question
Is there a dynamo effect upon the magnetosphere based upon the alignment of the earth’s core axis (magnetic pole) and the earth’s crust axis (geographic axis)?
Does an alignment of the axis cause a decrease in field strength?
Is this significant enough to allow an abnormal increase in solar radiation hitting earth?
Is this vulnerability increased if the sun hits solar max in reverse polarity to earth during polar axis alignment?