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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
Non-explosive eruptions of lava and less-violent explosive eruptions have occurred in and near the Yellowstone caldera since the last supereruption. [ 101 ] [ 102 ] The most recent lava flow occurred about 70,000 years ago, while a violent eruption excavated the West Thumb of Lake Yellowstone 174,000 years ago.
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 .
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 ...
“There will be eruptions, but it will probably be thousands of years before we can expect an eruption,” Erik Klemetti Gonzalez, an earth and planetary sciences professor at Denison University ...
The most recent volcanic eruption occurred in Yellowstone approximately 650,000 years ago resulting in a 30- by 45-mile caldera, or basin. ... The 10,000 year old Grand Canyon of Yellowstone ...
Map of Yellowstone Volcano ash beds. The Yellowstone Plateau Volcanic Field began forming around 2 Ma (million years ago). [7] It has had over 110 different eruptions and has created mostly rhyolitic plains, with over 6000 km 3 of rhyolitic material formed. [7] Scientists have discovered three major eruptions that formed calderas.
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