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solar flare, radio blackout

Powerful X-class solar flare just impacted Earth
An active region of the Sun, known as sunspot 4114, has just produced an X1.9-class flare. This event, which occurred on June 19, had an impact on Earth and our communications. X-class solar
Map Reveals Blackout Over US States After 'Extreme' Solar Flare
The latest solar flare follows an M-class one, the second-highest on the scale, that occurred days earlier on June 15. It caused a shortwave radio blackout across North America, with a loss of signal seen at frequencies below 20 Megahertz (MHz).
Powerful X-class solar flare erupts from sun, knocking out radio signals across the Pacific (video)
X-class flares are the most energetic class of solar flares, with each step up in number representing a tenfold increase in power. At X1.9, this flare ranks among the stronger eru
Sun releases a powerful solar flare. But don't expect unusual northern lights in US
NASA captured an image of the sun emitting a powerful solar flare that could interfere with technology on Earth.
Map Reveals US Blackout After Powerful Solar Flare
Solar flares can affect us on Earth, and radiation from this flare caused a shortwave radio blackout. A map released by the National Oceanic and Atmospheric Administration (NOAA) shows the entirety of the United States was affected by the blackout, for MHz at around and under a rate of 20.
Colossal solar flare erupts from Earth-facing sunspot, sparking strong radio blackouts over Pacific Ocean (video)
Sunspot region 4114 has fired off its strongest blast yet — an X1.2-class solar flare that erupted on June 17, triggering radio blackouts across the Pacific Ocean region, including Hawaii.
Sun emits strongest solar flare of the year, causing radio blackouts and communication disruptions, reports NASA
NASA reports sunspot region 4114 unleashed 2025's most powerful X1.2-class solar flare on June 17, causing widespread shortwave radio blackouts, espec
Another X-class solar flare triggers US communication blackouts
Solar flares are powerful bursts of radiation. Harmful radiation from a flare cannot pass through Earth’s atmosphere to physically affect humans on the ground, NASA claims. However, when intense enough, they can disturb the atmosphere in the layer where GPS and communications signals travel.
Powerful solar flare erupts from sun triggering radio blackouts across North America (video)
The M-class flare was accompanied by a coronal mass ejection currently forecast to land Earth with a glancing blow on June 18.
Strongest Solar Flare From Earth-Facing Sunspot Causes Power Blackouts Over Pacific Ocean
According to spaceweather.com, the sunspot region 4114 released multiple flares within 24 hours, but they were in the M-class - several times weaker than an X-class flare. An X1 class flare is said to be 10 times more stronger than a M1 class flare.
See NASA's image of an intense X-class solar flare
The solar flare peaked at 5:49 p.m. EDT on Tuesday, NASA's Solar Dynamics Observatory said. It was an X-class flare — the most intense kind, NASA said. Solar flares are essentially "giant explosions on the sun" that send energy, light and high-speed particles into space, according to NASA.
This ‘Large and Unstable’ Sunspot Just Slammed Earth With Its Strongest Flare Yet
ET, sunspot region 4114 released an X.12 class solar flare that caused a radio blackout over the Pacific Ocean, including ...
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NASA Warns About Blackouts that Could Hit the Earth and Possibly Cause Damage
A powerful X1.2 solar flare erupted from the Sun, causing radio blackouts and sparking warnings of more flares and possible ...
Cannibal Coronal Mass Ejection Generated By Strong Solar Flare
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Aurora Borealis to be visible but dim this week
A minor geomagnetic storm (level 1 of 5) is likely this week, according to NOAA's Space Weather Prediction Center. Typically, ...
Massive Solar Storm Sparks Rare G4 Alert: What It Means for Earth
An intense solar eruption recently triggered a rare "severe geomagnetic storm" alert for Earth, with the U.S. Naval Research ...