US EditionWarming climate, volcanos raise risk of ice falls on Chile's glaciers
CHILE, JUL 10 – Glacier melt reduces pressure on magma chambers, triggering eruptions up to six times more frequent and explosive, with hundreds of dormant volcanoes worldwide at risk, researchers said.
- Researchers from the University of Wisconsin-Madison studied six volcanoes in southern Chile and presented findings on July 8, 2025, in Prague about glacial retreat's impact on volcanic activity.
- The study builds on known links since the 1970s showing that melting glaciers reduce pressure on volcanoes, triggering more frequent and explosive eruptions.
- Researchers examined eruption timelines and crystal compositions to reveal that thick glacial ice inhibited volcanic activity during the last ice age, whereas the recent melting of glaciers allows magma to expand beneath the surface, leading to more explosive eruptions.
- Pablo Moreno-Yaeger, the lead researcher, explained that as glaciers diminish in response to global warming, volcanic eruptions tend to become more common and intense, potentially creating a cycle that further accelerates climate warming.
- The study implies that hundreds of volcanoes beneath ice worldwide could become more active, potentially worsening climate change and warranting closer monitoring in regions like Antarctica, North America, and Russia.
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Melting glaciers are awakening Earth's most dangerous volcanoes
As glaciers melt around the world, long-dormant volcanoes may be waking up beneath the ice. New research reveals that massive ice sheets have suppressed eruptions for thousands of years, building up underground pressure. But as that icy weight disappears, it may trigger a wave of explosive eruptions—especially in places like Antarctica. This unexpected volcanic threat not only poses regional risks but could also accelerate climate change in a da…
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Leaning Left5Leaning Right3Center12Last UpdatedBias Distribution60% Center
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