Notably, the southernmost active volcano known in the world is named Mount Erebus. Located in #ANTARCTICA , it was discovered by British polar explorer James Clark Ross, who commanded the Royal Navy’s explorations of the Antarctic in 1839–43. Ross’s expedition consisted of two ships, the HMS Terror and the HMS Erebus, from which Mount Erebus derived its name. Both ships were later lost after becoming trapped in ice during a failed expedition to discover the Northwest Passage.

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Mt. Erebus volcano features a 1,700-degree Fahrenheit lava lake, a swirling pool of magma that may be many miles deep: one of only five such lava lakes that exist in the world.

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