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Lava flows from Vesuvius in 1760 The eruption of Vesuvius in 1794. Since 1750, seven of the eruptions of Vesuvius have had durations of more than five years; only Mount Etna has had as many long-duration eruptions in the last 270 years. [26] The two most recent eruptions of Vesuvius (1875–1906 and 1913–1944) each lasted more than 30 years. [26]
Mount Vesuvius violently spewed forth a cloud of super-heated tephra and gases to a height of 33 km (21 mi), ejecting molten rock, pulverized pumice and hot ash at 1.5 million tons per second, ultimately releasing 100,000 times the thermal energy of the atomic bombings of Hiroshima and Nagasaki.
By the 1631 eruption, the summit of Mount Vesuvius had been reduced by 450m, making its total height lower than that of Mount Somma. [24] The eruption marked the beginning of a long period of almost continuous eruptive activity by Vesuvius, that lasted until the eighteenth century.
The VEI index measures how much debris is ejected, at what height, and for how long the eruption lasts. Yellowstone, which erupted 2.1 million years ago, was one of the largest ever known eruptions.
A.D. 79: Mount Vesuvius, Italy. Mount Vesuvius has erupted eight times in the last 17,000 years, most recently in 1944, but the big one was in A.D. 17. One of the most violent eruptions in history ...
Mount Vesuvius looms over the palatial Forum Romanum, the civic center of Pompeii, the ancient Roman city 25 kilometers southeast of Naples, in southwestern Italy. Looking at the collapsed peak of ...
At around 1 pm on the first day of eruption, Mount Vesuvius began spewing volcanic material thousands of metres into the sky. After the plume had reached a height of 27–33 km (17–21 mi), [9] the top of the column flattened, prompting Pliny to describe it to Tacitus as a stone pine tree.
The 79 AD eruption of Mount Vesuvius in Pompeii, ... The threshold for ultra-Plinian eruptions is defined by an eruptive column height of 45 km (28 mi), [10] or 41 ...