Reversal of the Earth's Magnetic Field: What Does It Mean For Life on Earth — Canada (Ontario) Beneath Our Feet
![Earth's magnetic field broke down 42,000 years ago and caused massive sudden climate change | UNSW Newsroom Earth's magnetic field broke down 42,000 years ago and caused massive sudden climate change | UNSW Newsroom](https://newsroom.unsw.edu.au/sites/default/files/thumbnails/image/file-20210218-20-utxsk3small_1.jpg)
Earth's magnetic field broke down 42,000 years ago and caused massive sudden climate change | UNSW Newsroom
![Our magnetic poles shifted in the past. Are we overdue for another shift, and how will that affect our electronics, the continents, and the Sun's effect on us while the poles shift? Our magnetic poles shifted in the past. Are we overdue for another shift, and how will that affect our electronics, the continents, and the Sun's effect on us while the poles shift?](http://astronomy.com/~/media/9205209B002147AA91A75461211A9069.jpg)
Our magnetic poles shifted in the past. Are we overdue for another shift, and how will that affect our electronics, the continents, and the Sun's effect on us while the poles shift?
![Earth's magnetic field could FLIP – and it could WIPE OUT technology | Science | News | Express.co.uk Earth's magnetic field could FLIP – and it could WIPE OUT technology | Science | News | Express.co.uk](https://cdn.images.express.co.uk/img/dynamic/151/750x445/1064396.jpg)