Antarctica

Mt. Erebus

Fire meets ice at the southernmost volcano on Earth

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Erebus: It is a good name for the volcano. In Greek myth Erebus was the son of the god Chaos, and his mother was Gaia, or Earth. Erebus was made of darkness and shadow, and he filled the corners of the world with his darkness.

Currently the most active volcano in Antarctica and the southernmost active volcano on Earth, the Mt. Erebus volcano features a 1,700-degree Fahrenheit lava lake, a swirling pool of magma perhaps many miles deep: one of only five that exist in the world.

While the inside of Mt. Erebus may be extremely hot, outside of it, one would quickly freeze to death in the Antarctic temperatures. Riddling the side of the snow-covered volcano are ice caves, carved out by the escaping volcanic gases. Because of the gas, the ice caves stay a consistent 32 degrees, making them a likely spot for undiscovered extremophiles. 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 our from their tips.

Discovered in 1841 by polar explorer Sir James Clark Ross, it was easy to identify Mt. Erebus as a volcano as it was erupting at the time. (Ross Island, which Mt. Erebus is on, is named after him as is the Ross Ice Shelf.) Later, polar explorer Ernest Shackleton would make the first ascent of Mt. Erebus in 1907 on the Nimrod Expedition.

One of the things that makes Erebus significant - and the reason it is the location of the Mount Erebus Volcano Observatory, or "MEVO" - is that Erebus is one of only a few consistently active volcanos in the world. Rather than lying dormant and then spectacularly erupting once every few hundred years (though it does that on occasion too), Mt. Erebus is always on, bubbling, releasing gas and flinging ten feet wide "volcanic bombs" - hunks of molten rock which sometimes explode on landing - through the air. For a vulcanologist, Mt. Erebus is a dream research site.

Mt. Erebus is also the site of a famous and tragic air disaster. A New Zealand plane on a sightseeing flight became lost in a whiteout and crashed into the side of the volcano, killing all 237 passengers and 20 crew on board. Famed explorer Sir Edmund Hillary was supposed to have been on board, but canceled at the last moment.

Debris from the crash is still visible on the volcano, despite an extensive recovery and clean up mission. The unclaimed remains of the crash victims are entombed at a memorial at the Waikumete Cemetery in West Aukland, New Zealand where every year a wreath is laid in memory.

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    Mt. Erebus, Ross Island, Antarctica
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Sources
  1. Wikipedia: Mount Erebus: Wikipedia: Mount Erebus: http://en.wi...
  2. Mount Erebus Volcano Observatory: Mount Erebus Volcano Observatory: htt...
  3. ScienceBlogs: Volcano Profile: Mt. Erebus: ScienceBlogs: Volcano Profile: Mt. Er...
  4. Smithsonian: "Antarctica Erupts!": Smithsonian: "Antarctica Erupts!": ht...
  5. Antarctic Connection: Mount Erebus: Antarctic Connection: Mount Erebus: h...
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canuck, tominantarctica, dawncsweeney, hellcat
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