On March 13, 1989, a geomagnetic storm collapsed Quebec's entire power grid in just 90 seconds — leaving 6 million people in the cold and dark before most of them had even woken up

On March 13, 1989, a geomagnetic storm collapsed Quebec's entire power grid in just 90 seconds — leaving 6 million people in the cold and dark before most of them had even woken up — Live Feedhttps://www.live-feeds.com/feed/on-march-13-1989-a-geomagnetic-storm-collapsed-quebec-s-entire-power-grid-in-just-90-seconds-leaving-6-million-people-inContinuously updated, source-cited coverage. 1989 Geomagnetic Storm Collapsed Quebec Power Gridhttps://www.live-feeds.com/feed/on-march-13-1989-a-geomagnetic-storm-collapsed-quebec-s-entire-power-grid-in-just-90-seconds-leaving-6-million-people-inhttps://www.live-feeds.com/feed/on-march-13-1989-a-geomagnetic-storm-collapsed-quebec-s-entire-power-grid-in-just-90-seconds-leaving-6-million-people-in#u15750Sat, 27 Jun 2026 11:56:39 +0000A coronal mass ejection on March 13, 1989, caused the entire Hydro-Quebec grid to fail in 90 seconds. The blackout left 6 million people without power for nine hours during freezing winter temperatures. The event highlighted a lasting vulnerability in North American infrastructure.What's confirmed:A geomagnetic storm collapsed Quebec's entire power grid in 90 seconds on March 13, 1989.The failure left 6 million people without power.The blackout lasted nine hours.The grid collapse was triggered by a coronal mass ejection.The event occurred at 2:44 a.m. Eastern time.Solar storms induce elec