In 1831, a mystery eruption occurred, causing a 1°C drop in global temperatures only recently identified in a paper by ...

Another Alaska volcano is on an even higher alert status. At Great Sitkin Volcano, which sits on an island in the Aleutian chain, lava has been slowly erupting from the summit crater since 2021.

Article continues below The Zavaritskii volcano on the remote, uninhabited island of Simushir, which is part of the Kuril Islands (Image: Oleg Dirksen/PA Wire) ...

Discover the incredible story of the Zavaritskii Caldera, the "lost" volcano that changed the climate. In 1831, a massive volcanic eruption dimmed sunlight, caused weather disruptions, and even ...

The four volcanoes on the island are labeled. Credit: ESA, annotated by Erik Klemetti If you've never heard of the volcano, you're not alone. Looking at the Global Volcanic Program's database, ...

Mystery of summer-killing volcano solved By David Szondy January 19, 2025 The caldera of Zavaritskii volcano Oleg Dirksen/University of St. Andrews View 2 Images ...

As detailed in a new study published in the journal Proceedings of the National Academy of Sciences, scientists say they've determined the culprit to be the Zavaritskii volcano on the extremely ...

Scientists have finally solved the long-standing mystery of the Sun turning blue in Earth's atmosphere almost 200 years ago. A massive volcanic eruption in 1831 has been attributed as the reason ...

Now, a new study from scientists at the University of St. Andrews in the U.K. says they’ve solved the mystery: Zavaritskii volcano in the Kuril islands northwest of Japan is to blame.

The eruption at Zavaritskii volcano created a nearly two-mile-wide caldera with layers of red, black and white from previous eruptive deposits. Oleg Dirksen In the summer of 1831, an enormous ...