Definitions
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun The massive
eruption of asupervolcano .
Etymologies
from Wiktionary, Creative Commons Attribution/Share-Alike License
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Examples
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Some geologists now define 'supereruption' to mean at least 240 cubic miles of ejected material, which is identical to Yellowstone's last supereruption -- Yellowstone 3, aka, Lava Creek -- and about 960 times the quarter-cubic-mile of material ejected by St. Helens in 1980.
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"The finding, based on the most detailed model yet of the region's geologic plumbing, suggests that Yellowstone's magma chamber contains even more fuel for a future" supereruption "than anyone had suspected.
Latest Articles The Week 2010
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Despite the BBC programs on supervolcanoes that aired February 2000 and April 2005 -- and the executive summary presented to the FEMA hierarchy by the BBC and the program's scientists after the 2005 program -- FEMA still does not publish any preparedness guidelines for a supereruption.
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If Yellowstone 4 blows out just a quarter of its magma, the 1200 cubic miles spewed will be the largest known supereruption.
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A Yellowstone supereruption, a Long Valley supereruption, the San Andreas lock-up NW of Los Angeles cutting loose, the Cascadia Subduction Zone lock-up cutting loose on the NW coast, and lahars (hot volcanic mudflows) from Mt. Rainier devastating the southern Puget Sound area (into Tacoma) without much warning and without signs of a conventional eruption stand out as one glaring possibility of multiples.
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Unprepared, a Yellowstone supereruption tomorrow, or twenty years from now, will be the nonfeasant murder of tens of millions of ordinary Americans -- by politicians of both parties, done in the corruption kickbacks and greed that fuel the superrichs 'obscenely excessive profits.
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The actual size and date of the next Yellowstone supereruption is beside the point.
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Planning for a Yellowstone supereruption seems a good starting point for multiples preparedness.
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Sumatra's Lake Toba supereruption, 74,000 years ago, caused a volcanic winter that probably lasted about six years.
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Yellowstone Supereruption yahooBuzzArticleHeadline = 'Yellowstone Supereruption'; yahooBuzzArticleSummary = 'Article: The article describes the nut-and-blots magnitude of -- and zero preparedness for -- the inevitable and US-crushing supereruption of the Yellowstone Caldera.
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