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 these peaks was the site of a surprise eruption that temporarily cooled the ...

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 ...

The 1831 eruption occurred at Zavaritskii volcano on Simushir Island. The explosion generated a 1.87-mile-wide caldera, revealing red, black and white layers made up of past eruptive deposits.

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 ...

In the summer of 1831, an enormous volcanic eruption spewed sulfur gas into Earth’s atmosphere. The particles scattered sunlight, making our star appear green, purple and blue.

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 ...

The 1831 eruption occurred at Zavaritskii volcano on Simushir Island. The explosion generated a 1.87-mile-wide caldera, revealing red, black and white layers made up of past eruptive deposits.