Even if the power comes back after the next big solar storm, the internet may not. New research shows that the failures could be catastrophic, particularly for the undersea cables that underpin the global internet. (From 2021)
. The repercussions would be felt everywhere from global supply chains and transportation to internet and GPS access. Less examined until now, though, is the impact such a solar emission could have on internet infrastructure specifically. New research shows that the failures could be catastrophic, particularly for the undersea cables that underpin the global internet.
That information gap mostly comes from lack of data. Severe solar storms are so rare that there are only three main examples to go off of in recent history. Large events in 1859 and 1921 demonstrated that geomagnetic disturbances can disrupt electrical infrastructure and communication lines like telegraph wires. During the massive 1859 “Carrington Event,” compass needles swung wildly and unpredictably, and the aurora borealis was visible.
“There are no models currently available of how this could play out,” Abdu Jyothi says. “We have more understanding of how these storms would impact power systems, but that's all on land. In the ocean it's even more difficult to predict.”
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