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<\/p>\nA volcanic eruption does not always involve molten rock bursting from a familiar cone.<\/p>\n
Across the Solar System, eruptions can send ash over continents, throw sulfur compounds hundreds of miles above a moon, or propel nitrogen gas and ice through the frozen crust of a distant world.<\/p>\n
This ranking brings together 10 of the most explosive volcanic systems known on Earth and beyond. It compares erupted volume, plume height, ejection speed, deposit extent, thermal power, and the strength of available evidence.<\/p>\n
Such comparisons remain approximate. The Volcanic Explosivity Index, or VEI, was created primarily for terrestrial eruptions and cannot be transferred directly to worlds with weaker gravity, thinner atmospheres, and different volcanic materials.<\/p>\n
1. Toba volcanic system, Earth<\/p>\n
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Wikimedia Commons<\/a><\/p>\n Around 74,000 years ago, Toba produced one of the largest explosive eruptions identified in the geological record. <\/p>\n Newer estimates place the eruption at approximately 912 cubic miles (3,800 cubic kilometers) of dense-rock-equivalent material, although older calculations put the figure closer to 672 cubic miles (2,800 cubic kilometers).<\/p>\n The eruption also generated roughly 360 cubic miles (1,500 cubic kilometers) of pyroclastic-density-current deposits. <\/p>\n Its ash is estimated to have covered around 15.4 million square miles (40 million square kilometers), demonstrating the enormous geographical reach of the event.<\/p>\n 2. Huckleberry Ridge, Yellowstone, Earth<\/p>\n Yellowstone\u2019s largest known eruption produced the Huckleberry Ridge Tuff approximately 2.1 million years ago. More than 588 cubic miles (2,450 cubic kilometers) of volcanic material erupted during the VEI 8-scale event.<\/p>\n The eruption caused the ground above the emptied magma reservoir to collapse, creating a caldera measuring more than 46 miles (75 km) in length. Yellowstone is a volcanic caldera system rather than a single cone-shaped volcano.<\/p>\n 3. Taup\u014d volcanic system, Earth<\/p>\n Wikimedia Commons<\/a><\/p>\n Taup\u014d\u2019s Oruanui eruption occurred approximately 22,600 years ago, making it the youngest known VEI 8 supereruption. It produced around 281 cubic miles (1,170 cubic kilometers) of total tephra.<\/p>\n The amount of magma<\/a> involved is often estimated at approximately 127 cubic miles (530 cubic kilometers) when expressed as dense-rock equivalent. The eruption reshaped the surrounding landscape and contributed to the formation of the caldera now partly occupied by Lake Taup\u014d.<\/p>\n 4. Pele, Io<\/p>\n Pele is responsible for one of the largest directly observed extraterrestrial volcanic plumes. Spacecraft images have recorded its plume rising approximately 186 to 242 miles (300 to 390 km) above Io\u2019s surface.<\/p>\n Material falling from the plume has formed a sulfur-rich red ring about 870 miles (1,400 km) wide. Pele\u2019s magma reached temperatures of at least 1,600 degrees Celsius, while its lava discharge rate has been estimated at between 250 and 340 cubic meters per second.<\/p>\n 5. Tvashtar Catena, Io<\/p>\n Tvashtar Catena has produced enormous lava fountains and plumes during several observed eruptions. Estimates place the height of its largest plumes between approximately 217 and 258 miles (350 and 415 km).<\/p>\n Galileo observed high-temperature lava fountains at the volcanic center. In 2007, New Horizons captured a plume extending around 217 miles (350 km) above Io as the spacecraft passed through the Jupiter system.<\/p>\n 6. Pillan Patera, Io<\/p>\n![\"\"](\"https:\/\/en.wikipedia.org\/wiki\/Youngest_Toba_eruption#\/media\/File:Tobaeruption.png\" "\\"10")
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