Scientists Identify ‘Mystery Volcano’ That Cooled Earth’s Climate in 1831
Nearly two centuries after one of the most powerful eruptions of the 19th century caused global temperatures in the Northern Hemisphere to drop by around 1 degree Celsius, scientists have pinpointed the culprit: Zavaritskii volcano on Simushir Island in the northwest Pacific Ocean. The island is part of the Kuril Islands archipelago, a region disputed between Russia and Japan.
Published in the Proceedings of the National Academy of Sciences journal, the groundbreaking study links the historic 1831 eruption to Zavaritskii, which had previously been dormant since 800 BC. This revelation comes after decades of uncertainty, during which researchers knew the year of the eruption but struggled to locate the volcano responsible.
The breakthrough came from analyzing ice cores collected from ...









