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An explosive eruption deposited pumiceous fallout near Harlequin Lake, [65] which is immediately overlain by the Mount Haynes lava (0.7016 ± 0.0014 million years). [67] An ash bed from a Yellowstone eruption was deposited in the Great Salt Lake approximately 0.7 million years ago. [75]
Known large eruptions after the Paleogene period (from 66 Mya to 23 Mya) are listed, especially those relating to the Yellowstone hotspot, Santorini caldera, and the Taupō Volcanic Zone. Active volcanoes such as Stromboli , Mount Etna and Kīlauea do not appear on this list, but some back-arc basin volcanoes that generated calderas do appear.
Non-explosive eruptions of lava and less-violent explosive eruptions have occurred in and near the Yellowstone Caldera since the last super eruption. The most recent lava flow occurred about 70,000 years ago, while the largest violent eruption excavated the West Thumb of Lake Yellowstone around 150,000 years ago. Smaller steam explosions occur ...
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 ...
A part of the large eruptions that occurred in southwest Japan to 13 to 15 Ma. [34] Yellowstone Caldera—Lava Creek Tuff: 0.639: Yellowstone hotspot: 1,000 Last large eruption in the Yellowstone National Park area estimated energy yield 875,000 megatons of tnt [39] [9] [10] Awasa Caldera: 1.09 Main Ethiopian Rift: 1,000 [40] Cerro Galán: 2.2
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.
The most recent volcanic eruption occurred in Yellowstone approximately 650,000 years ago resulting in a 30- by 45-mile caldera, or basin. The heat powering the volcanic eruptions still fuels the ...
The largest known eruption in Japan Yellowstone hotspot: Yellowstone Caldera: between 70 and 150 ka: 1,000 km 3 (239.9 cu mi) intracaldera rhyolitic lava flows. [2] Galeras, Andes, Northern Volcanic Zone, Colombian department of Nariño: 150 ka: 2 km 3 (0.5 cu mi) of tephra: Kos-Nisyros Caldera, Greece: 161 ka: 110 km 3 (26 cu mi) Kos Plateau ...