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Massive Sunspot 10 Times Bigger Than Earth Raises Chances Of Powerful Solar Flares
In the coming days, scientists will continue to monitor this giant sunspot and potential CMEs.
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Sun Unleashes Powerful X4 Flare, Triggers Major Radio Blackouts On Earth
Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more powerful than the previous one.
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Sun Unleashes Strongest Flare of 2025, Causing Global Radio Blackouts
On Nov. 11, 2025, the Sun erupted with an X5.1-class flare, disrupting shortwave communications across Africa and Europe. The flare’s X-rays and UV radiation ionized Earth’s upper atmosphere, causing R3-level radio blackouts. NOAA warned that a coronal mass ejection could reach Earth on Nov. 12, potentially triggering strong geomagnetic storms ...
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Solar Flare, Strongest Of 2025, Causes Widespread Radio Blackouts In Europe And Africa
The X5.1-class flare has the potential to disrupt satellite communications, GPS and power grids.
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Sun Erupts with Triple Solar Flares After Weeks of Silence
After a 22-day period of solar calm, the Sun unleashed three M-class solar flares on August 3–4, 2025, all originating from active sunspot region AR 4168. These moderate flares released intense radiation, capable of briefly disrupting high-frequency radio signals and potentially sparking auroras at high latitudes. Scientists also detected likel...
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Massive X-Class Solar Flare Erupts, Causing Widespread Pacific Radio Blackouts
A powerful X1.9-class solar flare from sunspot 4114 erupted on June 19, disrupting shortwave radio signals across the Pacific, including Hawaii. While it caused significant atmospheric ionisation, no coronal mass ejection (CME) followed. The event highlights rising solar activity and hints at more eruptions ahead, potentially impacting communicatio...
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NASA Warns Of Massive Solar Storm That Could Trigger Blackouts
The powerful X2.7-class solar flare erupted from a newly active sunspot, AR4087, and peaked on May 14.
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Blackouts Around The World As Strongest Solar Flare Of 2025 Hits Earth, Experts Say "More To Come"
This powerful eruption sent streams of plasma and charged particles into space, contributing to widespread shortwave radio blackouts across multiple continents.
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Massive X1.1-class Solar Flare Causes Radio Blackouts Across America
A strong X1.1-class solar flare erupted from sunspot AR4046 on March 28, 2025. The flare caused major radio blackouts in North and South America, affecting high-frequency communications. A coronal mass ejection (CME) followed the flare but is not expected to hit Earth. More solar activity is anticipated from sunspot AR4046 and AR4048, with a 15% ch...
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X-Class Solar Flare From Emerging Sunspot Causes Radio Blackouts
An unexpected X1.1-class solar flare erupted from sunspot AR4046, triggering shortwave radio blackouts over North and South America. The flare originated from the sun’s eastern limb and was accompanied by a coronal mass ejection that is not expected to impact Earth. Space weather experts have warned that the sunspot will face Earth in the coming ...
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Massive Solar Flare Closes 2024 With Radio Blackouts and Auroral Possibilities
An X1.1-class solar flare on December 29, 2024, caused strong radio blackouts on Earth, marking another significant event in the increasingly active Solar Cycle 25. Detected by NOAA's GOES-16 satellite, the eruption raises questions about a potential coronal mass ejection, which could amplify auroras during New Year celebrations. While impactful, t...
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X-Class Solar Flare From Sunspot 3912 Causes Radio Blackouts in Southern Africa
A powerful X-class solar flare erupted from sunspot region 3912 on December 8, disrupting high-frequency radio communications in southern Africa. The flare, accompanied by a coronal mass ejection (CME), ionised Earth’s upper atmosphere, absorbing radio signals and causing blackouts in areas exposed to peak solar activity. Experts predict the CME ...
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Powerful Solar Flare Disrupts Radio Signals And Poses Global Infrastructure Risks
A powerful X-class solar flare erupted, causing shortwave radio blackouts over the Atlantic, South America, and Africa.
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Sun Erupts with X2.3 Solar Flare, Causes Radio Blackouts
On November 6, 2024, sunspot AR 3883 unleashed a powerful X2.3 solar flare, causing radio blackouts in parts of South America and Africa. The flare, classified as a strong solar event, disrupted high-frequency radio signals. Scientists are awaiting data from NASA’s SOHO spacecraft to assess the potential impact of a coronal mass ejection (CME) on...
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The Sun Fires Off Another High Intensity X Flare, Triggers Radio Blackouts
On October 7, 2024, sunspot AR 3842 released another powerful X2.1 solar flare, causing significant radio blackouts across North and South America, as well as over the Pacific Ocean. This is the second major flare from AR 3842 after it previously unleashed the most intense solar flare in seven years. Scientists from NOAA are currently analysing dat...
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Massive Sunspot 10 Times Bigger Than Earth Raises Chances Of Powerful Solar Flares
In the coming days, scientists will continue to monitor this giant sunspot and potential CMEs.
-
Sun Unleashes Powerful X4 Flare, Triggers Major Radio Blackouts On Earth
Solar flares are classified based on their strength into classes A, B, C, M, and X, with each class being ten times more powerful than the previous one.
-
Sun Unleashes Strongest Flare of 2025, Causing Global Radio Blackouts
On Nov. 11, 2025, the Sun erupted with an X5.1-class flare, disrupting shortwave communications across Africa and Europe. The flare’s X-rays and UV radiation ionized Earth’s upper atmosphere, causing R3-level radio blackouts. NOAA warned that a coronal mass ejection could reach Earth on Nov. 12, potentially triggering strong geomagnetic storms ...
-
Solar Flare, Strongest Of 2025, Causes Widespread Radio Blackouts In Europe And Africa
The X5.1-class flare has the potential to disrupt satellite communications, GPS and power grids.
-
Sun Erupts with Triple Solar Flares After Weeks of Silence
After a 22-day period of solar calm, the Sun unleashed three M-class solar flares on August 3–4, 2025, all originating from active sunspot region AR 4168. These moderate flares released intense radiation, capable of briefly disrupting high-frequency radio signals and potentially sparking auroras at high latitudes. Scientists also detected likel...
-
Massive X-Class Solar Flare Erupts, Causing Widespread Pacific Radio Blackouts
A powerful X1.9-class solar flare from sunspot 4114 erupted on June 19, disrupting shortwave radio signals across the Pacific, including Hawaii. While it caused significant atmospheric ionisation, no coronal mass ejection (CME) followed. The event highlights rising solar activity and hints at more eruptions ahead, potentially impacting communicatio...
-
NASA Warns Of Massive Solar Storm That Could Trigger Blackouts
The powerful X2.7-class solar flare erupted from a newly active sunspot, AR4087, and peaked on May 14.
-
Blackouts Around The World As Strongest Solar Flare Of 2025 Hits Earth, Experts Say "More To Come"
This powerful eruption sent streams of plasma and charged particles into space, contributing to widespread shortwave radio blackouts across multiple continents.
-
Massive X1.1-class Solar Flare Causes Radio Blackouts Across America
A strong X1.1-class solar flare erupted from sunspot AR4046 on March 28, 2025. The flare caused major radio blackouts in North and South America, affecting high-frequency communications. A coronal mass ejection (CME) followed the flare but is not expected to hit Earth. More solar activity is anticipated from sunspot AR4046 and AR4048, with a 15% ch...
-
X-Class Solar Flare From Emerging Sunspot Causes Radio Blackouts
An unexpected X1.1-class solar flare erupted from sunspot AR4046, triggering shortwave radio blackouts over North and South America. The flare originated from the sun’s eastern limb and was accompanied by a coronal mass ejection that is not expected to impact Earth. Space weather experts have warned that the sunspot will face Earth in the coming ...
-
Massive Solar Flare Closes 2024 With Radio Blackouts and Auroral Possibilities
An X1.1-class solar flare on December 29, 2024, caused strong radio blackouts on Earth, marking another significant event in the increasingly active Solar Cycle 25. Detected by NOAA's GOES-16 satellite, the eruption raises questions about a potential coronal mass ejection, which could amplify auroras during New Year celebrations. While impactful, t...
-
X-Class Solar Flare From Sunspot 3912 Causes Radio Blackouts in Southern Africa
A powerful X-class solar flare erupted from sunspot region 3912 on December 8, disrupting high-frequency radio communications in southern Africa. The flare, accompanied by a coronal mass ejection (CME), ionised Earth’s upper atmosphere, absorbing radio signals and causing blackouts in areas exposed to peak solar activity. Experts predict the CME ...
-
Powerful Solar Flare Disrupts Radio Signals And Poses Global Infrastructure Risks
A powerful X-class solar flare erupted, causing shortwave radio blackouts over the Atlantic, South America, and Africa.
-
Sun Erupts with X2.3 Solar Flare, Causes Radio Blackouts
On November 6, 2024, sunspot AR 3883 unleashed a powerful X2.3 solar flare, causing radio blackouts in parts of South America and Africa. The flare, classified as a strong solar event, disrupted high-frequency radio signals. Scientists are awaiting data from NASA’s SOHO spacecraft to assess the potential impact of a coronal mass ejection (CME) on...
-
The Sun Fires Off Another High Intensity X Flare, Triggers Radio Blackouts
On October 7, 2024, sunspot AR 3842 released another powerful X2.1 solar flare, causing significant radio blackouts across North and South America, as well as over the Pacific Ocean. This is the second major flare from AR 3842 after it previously unleashed the most intense solar flare in seven years. Scientists from NOAA are currently analysing dat...
