A geomagnetic world

 https://www.groundzeromedia.org/show/5-13-24-geomagnetic-genesis-alpha-omega-and-the-latter-day-big-bang-theory-w-marc-dantonio

Of course any major disruptions with earth and space-weather can have some serious effects.

https://www.swpc.noaa.gov/phenomena/earths-magnetosphere

https://www.swpc.noaa.gov/phenomena/aurora

The movies Geostorm and The_Core are typical disaster movies.

https://www.swpc.noaa.gov/phenomena/coronal-holes

 The Impact of the South Atlantic Anomaly on the Aurora System https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2023GL107209