Earth appears to have escaped a widespread geomagnetic storm, with the effects confined to the northern latitudes, possibly reaching down into Norway and Canada.
"There can be sporadic outages based on particular small-scale events," said Dean Persnell, project scientist at NASA's Solar Dynamics Observatory at Goddard Space Flight Center.
A direct hit from a CME could trigger a huge geomagnetic storm as incoming particles bounce off the Earth's geomagnetic field, blacking out radio communications, interfering with GPS navigational systems, in theory even causing power outages.
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