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Alaska's Mount Redoubt volcano began erupting on March 22, 2009, and activity continued for several months. During the eruptions, reports found ash clouds reaching as high as 65,000 feet (20,000 m) above sea level. [1] In response, the National Weather Service issued a series of ash fall advisories.
Manda Hararo is a group of basaltic shield volcanoes in east Africa that last erupted in 2009. The group is very large, spreading over 105 square kilometres (41 sq mi). At its northern end is a small cluster. South of this volcano is the Gumatmali-Gablaytu fissure system, an area dominated by fissure-fed lava flows. At the centre of the complex ...
La Garita Caldera erupts in the Wheeler Geologic Area, Central Colorado volcanic field, Colorado, USA, eruption several VEI 8 events (Possibly as high as a VEI 9), 5,000 cubic kilometers (1,200 cu mi) of Fish Canyon Tuff was blasted out in a single, major eruption about 27.8 million years ago. [52] [86] [87]
Taupō Volcano—Oruanui eruption: 0.027: Taupō Volcanic Zone, New Zealand 1,170 Most recent VEI 8 eruption [37] Mangakino Caldera—Ongatiti–Mangatewaiiti 1.21 Taupō Volcanic Zone, New Zealand 1,150 [26] Huaylillas Ignimbrite 15 Bolivia 1,100 Predates half of the uplift of the central Andes [38] Bursum—Bloodgood Canyon Tuff: 28.5
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 ...
Many think of Mt. St. Helens as one of the larger volcano eruptions, but they can get much bigger. Here's how the largest volcanoes measure up.
1883 eruption of Krakatoa: 30,000 Mount Pelée: 4 Martinique: 1902 1902 eruption of Mount Pelée: 23,000 Nevado del Ruiz: 3 Colombia: 1985 Armero tragedy: 20,000~ (estimated) Santorini: 6 Greece: c. 1600 BC Minoan eruption: 15,000 to 20,000 Mount Samalas: 7 Indonesia: 1257 1257 Samalas eruption: 15,000 Mount Unzen: 2 Japan: 1792 1792 Unzen ...
Kilauea, one of the world's most active volcanoes, began erupting around 2:30 a.m. local time, according to the U.S. Geological Survey.