Melting Antarctic Ice Could Trigger More Powerful Volcano Eruptions

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Melting Antarctic Ice Could Trigger More Powerful Volcano Eruptions
VolcanoesAntarcticaClimate Change
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A new study suggests that as the Antarctic ice sheet melts due to climate change, the weight pressing down on magma chambers beneath the surface will be reduced. This could lead to more frequent and powerful volcanic eruptions.

As the ice sheets melt, eruptions may become more common – and stronger If you picture Antarctica , a continent roughly the size of the US and Mexico combined, an endless white void probably comes to mind. Volcanoes erupting isn’t what most people think of, but this scene could happen as the frozen continent melts, a study has found. Buried under kilometres of frost are some 100 volcanoes in Antarctica , with only a few peaking above the ice sheets along the western coast.

‘Under these conditions, we find that the removal of an ice sheet above a volcano results in more abundant and larger eruptions.’ Of the at least 138 volcanoes in Antarctica, the majority are subglacial, so aren’t visible from the surface. Only two are active, according to the Global Volcanism Program. A volcanic eruption last year at the Reykjanes Peninsula in Iceland But just because you can’t see these eruptions doesn’t mean they aren’t impacting the area surrounding them.

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