A series of power outages across the continent that occurred on April 21 may have been caused by a geomagnetic storm. Coordinated cyberattacks were initially blamed for the events, although a fire caused by an overloaded circuit breaker in one of the major outages ruled out that theory. However, it is possible that a geomagnetic storm may have caused the near-simultaneous outages, as there had been an ongoing solar storm at the time.
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Released in 2012, Whitley Strieber’s ‘Solar Flares: What You Need to Know‘ put forward the urgent warning that if a coronal mass ejection of sufficient magnitude were to strike the Earth, as has happened in the past, it could destroy our electrical grid; a dangerous, and potentially civilization-ending scenario. Now, the United States government is heeding such warnings, having announced new plans to address such a threat.
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A G4 level solar storm is now striking Planet Earth. As a G4 storm, it is one level below G5, the most intense level of storm. Auroras should be visible as far south as the central United States tonight. There will be radio blackouts and possible isolated power failures in areas where power lines are not properly grounded. The storm is accompanied by a powerful coronal mass ejection, which will reach the region of Earth on Sunday. Coronal mass ejections contain substantial amounts of very energetic material, and along with it, in some cases, effects on Earth’s weather. This is caused by changes in solar radiance that affect our atmosphere. 
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The world’s media has been awash recently with news of a cosmic near-miss a couple of years ago that could have spelled disaster for planet Earth.

Physicists have released details of a solar storm that occurred on July 23rd, 2012, along with the disturbing fact that, had the storm occurred just one week earlier, Earth would have been directly in the line of fire.

“I have come away from our recent studies more convinced than ever that Earth and its inhabitants were incredibly fortunate that the 2012 eruption happened when it did,” physicist Daniel Baker of the University of Colorado said in a NASA Science online release. “If the eruption had occurred only one week earlier, Earth would have been in the line of fire.”
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