Mt Erebus is the most active volcano in Antarctica and the southernmost active volcano on Earth. It features a 1700º F lava lake, a swirling pool of magma perhaps many miles deep: one of only five that exist in the world. Riddling the side of the snow-covered volcano are ice caves. The volcanic gases heat their way through these ice caves and escape into the air to form enormous 60-foot chimneys of ice or ‘fumaroles’ with noxious volcanic gases pouring out from their tips.
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