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7 August 2025 / Alaska Public Media / Alix Soliman
Background

Cave sediments found on Prince of Wales Island could help scientists understand Earth’s climate history

Prince of Wales Island, Southeast Alaska, United States

Researchers discovered rounded cobbles and sand deposits in Devil’s Canopy Cave on Prince of Wales Island that record massive glacial meltwater floods (Siku events) from 17,000–20,000 years ago, offering new insight into Ice Age climate fluctuations.


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