March 1989: A geomagnetic storm resulted in communications blackouts, a major power outage in Quebec, Canada, and the loss of positional knowledge for over 1,000 space objects for nearly a week.
A geomagnetic storm three times smaller than the Carrington Event occurred in Quebec, Canada, in March 1989. The storm caused the Hydro-Quebec electrical grid to collapse. During the storm ...
Geomagnetic storms are notoriously hard to forecast ... that can overwhelm power systems and underwater pipelines. On March 10, 1989, a huge solar flare caused a storm that surged the Quebec ...