This Cold War outpost concealed more than submarines—it hosted a devastating eruption that cooled the planet nearly 200 years ...

2. Zavaritski: The 1831 climate culprit also erupted in 1957. 3. Prevo: Towering at 4,460 feet (1,360 m), last active in 1825. 4. Uratman: Dormant for over 12,000 years and host to Soviet naval ...

Simushir is part of the Kuril Islands, comprising 50 volcanic islands in the North Pacific Ocean. It stretches for eight ...

A 2024 satellite photo shows four end-to-end volcanoes perfectly spaced out along the Russian island of Simushir. One of these peaks was the site of a surprise eruption that temporarily cooled the ...

A forgotten 1831 volcanic blast on Soviet Simushir Island may explain a century-old climate mystery—unseen, unrecorded, and now a rising threat beneath silent ground.

The 1831 eruption injected an estimated 12 ± 3.5 teragrams of sulfur into the atmosphere—more than the 1991 Mount Pinatubo eruption, which caused global cooling of about 0.6°C.

Scientists say the Kilauea volcano in Hawaii isn't done erupting. And it's not alone: 54 eruptions have been reported in 2025.

Hawaiian Volcano Observatory scientists predict Hawaii's Kilauea volcano to erupt in the near future after an eruption May 25 sent lava spewing more that 1,000 feet into the sky. Since December ...

Scientists say the Kilauea volcano in Hawaii isn't done erupting. And it's not alone: 54 eruptions have been reported in 2025.