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In a volcanic eruption, lava, volcanic bombs, ash, and various gases are expelled from a volcanic vent and fissure. While many eruptions only pose dangers to the immediately surrounding area, Earth 's largest eruptions can have a major regional or even global impact, with some affecting the climate and contributing to mass extinctions .
Volcanic eruptions can be highly explosive. Some volcanoes have undergone catastrophic eruptions, killing large numbers of humans or other life forms. This list documents volcanic eruptions by human death toll.
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]
No other historical eruption in North America can compare to the one that created the Novarupta Volcano in 1912. The biggest eruption on Earth in the 20th century, it produced 30 times more magma ...
Campanian volcanic arc ≥ 10 56 X2 6 Ischia: Campanian volcanic arc: 40 56 Monte Epomeo Green Tuff 6 Daisen: Honshū: 40 59.6 [3] Daisen-Kurayoshi Pumice 6 Shikotsu Hokkaidō: 50 60 Shadai eruption 6 Towada Honshū: 10 61 eruption episode Q 6 Newberry Volcano: Cascade Volcanic Arc > 12.5 62.5 Olema tephra, Paulina tephra 6 Hakone: Honshū
According to the U.S. Geological Survey, there are around 1,350 potentially active volcanoes around the world outside of the continuous range of volcanoes as part of the Mid-Atlantic Ridge. In the ...
Name Elevation Location Last eruption meters feet Coordinates; Malumalu: Last 8,000 years Ta‘u-931: 3054: 30,000 years ago [15]: Ofu-Olosega: 639: 2096: 1866 unnamed submarine cone eruption
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 .