Melting Glaciers May Trigger Volcanic Eruptions in Iceland
Melting Glaciers May Trigger Volcanic Eruptions in Iceland
US · Published Dec 31, 2025
Glaciers melting, reawakening dormant volcanoes globally
As global temperatures rise, glaciers are melting at an accelerated pace, potentially reawakening dormant volcanoes. In Iceland, scientists are observing increased seismic activity around Bardarbunga, a volcano beneath Europe's largest glacier, Vatnajökull. The melting ice reduces pressure on the Earth's crust, allowing magma to rise and potentially leading to more frequent and explosive eruptions. This phenomenon is not limited to Iceland; approximately 245 volcanoes worldwide are covered by ice, and their activity could be influenced by climate change. Researchers are investigating the complex interactions between melting ice and volcanic activity, which could have significant implications for regions with glaciated volcanoes.
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