Sunspot region 4114 has unleashed its most powerful solar flare yet — an X1.9 class that erupted late June 19, triggering shortwave radio blackouts across the Pacific Ocean, including parts of ...

The X flare triggered shortwave radio blackouts across the Pacific Ocean. (Image credit: NOAA Space Weather Prediction Center) X-class flares are the most powerful type of solar flare.

It's at it again! 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 ...

The combination of the nRSP-ST, online streams and the WRTH app make identifying international shortwave radio broadcasts a pleasure. As you’ll observe in the photos, the ability to toggle between my ...

A powerful X-class solar flare from the Sun disrupted radio communications across large parts of the Pacific and the United States on Thursday, June 19, stated a Newsweek report. Captured by NASA ...

A solar flare erupting on June 19, causing the radio blackout. NASA / Solar Dynamics Observatory "When a CME arrives at Earth, it can produce some of the biggest geomagnetic storms and thus, some ...

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Major solar flare causes shortwave radio disruptions across North America A powerful M-class solar flare erupted from the sun on June 15, triggering radio blackouts across North America. The flare, ...

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A powerful X-class solar flare erupted from the Sun on Tuesday, June 17, 2025, triggering alerts from the National Aeronautics and Space Administration over potential radio blackouts and disruptions ...