What Would Actually Happen In a Magnetic Pole Shift?

What would happen if the Earth’s magnetic poles literally flipped upside down? If north was south and south was north? Would it just be our compasses going awry or would this result in a catastrophic end for the citizens of Planet Earth? Would a pole shift be the end of humanity?

It depends on who you ask.

For example, the UK Daily Mail describes this horrific scene:

This sounds like the plot for a disaster movie: an invisible magnetic force-field that defends life on Earth against killer rays from space goes awry. Blasts of radiation destroy our satellite communications and bring the world’s electricity supplies crashing down.

Chaos reigns. Human cancer cases multiply as unshielded radiation from the sun devastates people’s DNA. Billions of creatures the world over die because their ability to migrate becomes fatally confused by changes in our planet’s magnetic field.

Ultimately, Earth’s atmosphere itself


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