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

One of its most striking features is the Zavaritskogo volcano (also known as Zavaritskii) on Simushir Island. This complex volcanic structure consists of steep-walled, nested calderas encircling a ...

The culprit is an edifice known as Zavaritskii on a remote island between Japan and the Russian Far East, the team deduced. This discovery resolves a long-standing volcanic mystery and highlights ...

Update on February 5, 2025: This Landsat image shows the Zavaritskogo (also called Zavaritskii) caldera in the Kuril Archipelago, between northern Japan and Russia’s Kamchatka Peninsula.

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 ...

However, Hutchinson and others were able to use the sulfur isotopic composition of the ice core and ash from Zavaritskii to show that Ferdinandea couldn't be the source. The ratio of sulfur isotopes ...

For centuries, Simushir Island didn't attract much attention, but today, we know it's the location of a massive volcanic ...

A climatic mystery about a year that gave summer a deadly pass may have been solved. Using new ice core techniques, scientists have concluded that the dark, chilly year of 1831 was due to the ...

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 ...

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.