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Despite its small extent, it was the largest fire in the period from when the park was created until 1988. Research indicates that only two or three large fires occur on the Yellowstone Plateau every 1,000 years. [24] [25] The previous major Yellowstone fire was in the early to mid-18th century, well before the arrival of white explorers. [1]: 9
Flat Landing Brook; VEI 8, A Supervolcanic eruption occurred 466 million years ago, as it erupted in one of the largest explosive volcanic eruptions known in Earth's history with a volume of ejecta at around 2,000–12,000 cubic kilometers (480–2,879 cu mi). The Phanerozoic eon begins 539 million years ago. [91]
A study published in GSA Today, the monthly news and science magazine of the Geological Society of America, identified three fault zones where future eruptions are most likely to be centered. [123] Two of those areas are associated with lava flows aged 174,000–70,000 years ago, and the third is a focus of present-day seismicity .
The caldera is the enormous volcanic crater left from the last time Yellowstone experienced a giant eruption, 640,000 years ago. It covers an area about 30 by 45 miles .
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Scientists working in Yellowstone National Park say the supervolvcano underneath may blow sooner than thought and could wipe out life on the planet. Yellowstone supervolcano may be only decades ...
Year Eruption Source(s) 71,000 to 250,100+ Mount Tambora: 7 Indonesia: 1815 1815 eruption of Mount Tambora, Year Without a Summer: 36,000+ Krakatoa: 6 Indonesia: 1883 1883 eruption of Krakatoa: 30,000 Mount Pelée: 4 Martinique: 1902 1902 eruption of Mount Pelée: 23,000 Nevado del Ruiz: 3 Colombia: 1985 Armero tragedy: 20,000~ (estimated ...
A surprise eruption of steam in a Yellowstone National Park geyser basin that sent people scrambling for safety as basketball-sized rocks flew overhead has highlighted a little-known hazard that ...