Tom D
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A long-standing climate mystery dating back nearly two centuries may have finally been solved, as scientists identify a little-known volcanic eruption in Russia’s Kuril Islands as the likely cause of the sudden cooling and atmospheric oddities recorded in 1831, including the Sun appearing blue across parts of the Northern Hemisphere.
The findings, published in the Proceedings of the National Academy of Sciences, point to the Zav-1 eruption from the Zavaritskii caldera on Simushir Island, a remote volcanic island northeast of Japan. The event appears to have injected vast amounts of sulfur into the upper atmosphere, creating a global veil of sulfate aerosols that reflected sunlight and caused significant climate disruptions.
Eyewitness accounts from 1831 describe a season marked by unseasonal cold, widespread crop failures, and a Sun that appeared blue, violet, and even green at times. From Europe to eastern North America, the skies turned eerie, casting an unnatural glow across landscapes already reeling from falling temperatures.
The findings, published in the Proceedings of the National Academy of Sciences, point to the Zav-1 eruption from the Zavaritskii caldera on Simushir Island, a remote volcanic island northeast of Japan. The event appears to have injected vast amounts of sulfur into the upper atmosphere, creating a global veil of sulfate aerosols that reflected sunlight and caused significant climate disruptions.
Eyewitness accounts from 1831 describe a season marked by unseasonal cold, widespread crop failures, and a Sun that appeared blue, violet, and even green at times. From Europe to eastern North America, the skies turned eerie, casting an unnatural glow across landscapes already reeling from falling temperatures.
