The November 2025 geomagnetic superstorm pushed satellite-positioning errors beyond 10 metres in parts of the continental US, with interference stretching nearly coast to coast. Researchers warn that had it struck during spring planting, it could have caused hundreds of millions of dollars in agricultural losses.

A new reconstruction of the November 2025 G4 storm finds mid-latitude GPS interference across much of the United States, exposing a seasonal risk to precision farming.