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

A 2024 satellite photo shows four end-to-end volcanoes perfectly spaced out along the Russian island of Simushir. One of ...

The search spanned continents, but no known volcano fits in ... experts has traced the 1831 climate-altering eruption to an unlikely source: a long-forgotten Soviet military island hidden deep ...

Oleg Dirksen In the summer of 1831, an enormous volcanic eruption spewed sulfur gas into ... No one lives on Simushir Island, once home to a Soviet submarine base, Hutchison explains, and written ...

Zavaritskii volcano in the Kuril Islands — a former Soviet nuclear submarine base — was responsible for the mysterious 1831 volcanic eruption that cooled the climate and turned the sun ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. An unknown volcano ...

The 1831 “mystery eruption” that caused global cooling and famines has been traced to the Zavaritskii volcano on Simushir Island in the Kuril Islands. Researchers matched ash in polar ice cores to the ...

The location of a giant volcanic eruption in 1831 has eluded scientists for nearly 200 years, but now they have solved the mystery. The Zavaritskii volcano on Simushir Island in the Kuril Islands ...