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The volcanic explosivity index (VEI) is a scale used to measure the size of explosive volcanic eruptions. It was devised by Christopher G. Newhall of the United States Geological Survey and Stephen Self in 1982.
The volcanic ash fall pelted the capital and La Aurora International Airport. The National Coordinator for Disaster Reduction (CONRED) declared a red alert for the communities near the volcano and recommended the evacuation of some of them. Noti7 reporter Anibal Archila, one of the first to cover the event, was reportedly killed by volcanic debris.
A supervolcano is a volcano that has had an eruption with a volcanic explosivity index (VEI) of 8, [1] the largest recorded value on the index. This means the volume of deposits for such an eruption is greater than 1,000 cubic kilometers (240 cubic miles). [2] Location of Yellowstone hotspot over time.
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Volcanoes by their volcanic explosivity index (VEI). Subcategories. This category has the following 7 subcategories, out of 7 total. V. VEI-2 volcanoes (11 P)
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While there were other eruptions in 1815, Tambora is classified as a VEI-7 eruption with a column 45 km (148,000 ft) tall, eclipsing all others by at least one order of magnitude. The VEI is used to quantify the amount of ejected material, with a VEI-7 being 100 km 3 (24 cu mi). Every index value below that is one order of magnitude (meaning ...
Bacolcol said the alert level remained at the lowest on the scale and there were no immediate reports of injuries. Despite standing at only 311 m (1,020-feet), it can be deadly and an eruption in ...