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archangel's link
But scientists and park officials have cautioned against panic, saying that Yellowstone is intensely monitored for any changes.
Morgan said while the dome may explode, it might just as easily collapse or simply do nothing.
Still, she and park officials are drawing up a hazard-assessment plan just in case.
"A hydrothermal explosion is an extreme event and a rare event but they have happened," Morgan said.
Mary Bay, an area of the lake near the dome, was created by a hydrothermal blast more than 13,000 years ago that scientists consider to be one of the biggest explosions in geologic history. There are at least five other craters in Yellowstone Lake caused by enormous eruptions.
Exactly what damage an explosion would cause today is being investigated. Morgan said it could eject rocks and poisonous gas and cause waves as high as 20 feet. Whether the damage would spread beyond the park depends on the force of the blast.
"No one has ever witnessed a large hydrothermal explosion. It's a steam explosion, which can be as powerful as TNT," park geologist Hank Heasler said.
Originally posted by CommonSense
DTOM,
Any idea of where that caldera is supposed to be in Michigan? I've never heard of it.
CS