Did you know a mystery volcanic eruption in 1831 caused global temperatures to plummet, triggering devastating famines and crop failures worldwide? For nearly 200 years, scientists couldn’t pinpoint the culprit—until now. Researchers from the University of St Andrews have identified the source: Zavaritskii Volcano on Simushir Island, part of the disputed Kuril chain. Using tiny ash shards preserved in ice cores, they unlocked the secrets of this catastrophic event.

This discovery is a chilling reminder of nature’s power and the hidden dangers of dormant volcanoes. Are we prepared for the next big eruption? Learn more about this groundbreaking research and the lessons it holds for the future.
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