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Augustine Volcano (Alaska) during its eruptive phase on January 24, 2006. A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
Tephra fell as far as 1,000 km (620 mi) from the volcano. Sakurajima is a modern active vent of the same Aira caldera volcano. Sakurajima was formed by later activity within the caldera, beginning about 13,000 years ago. [10] It is about 8 km (5 mi) south of the centre of the caldera. Its first eruption in recorded history was in 963 AD. [11]
It is the youngest and most active volcano in the Cape Verde Islands, a short chain of volcanic islands that generally are younger at the western end, formed as the African Plate moved towards the east over the hotspot. [5] Fogo consists of a single volcano, so the island is nearly round and about 25 kilometers (16 mi) in diameter. [6]
The volcano gives its name to the province of Tungurahua. Volcanic activity restarted on August 19, 1999, [ 6 ] and is ongoing as of 2023 [update] , with several eruptive episodes since then, the most recent lasting from February 26 to March 16, 2016.
Mount Yasur is a volcano on Tanna Island, Vanuatu, 361 m (1,184 ft) high above sea level, [2] on the coast near Sulphur Bay, northeast of the taller Mount Tukosmera, which was active in the Pleistocene. It has a largely unvegetated pyroclastic cone with a nearly circular summit crater 400 m in diameter. [1]
Image credits: all_thats_interesting #6. On May 18, 1980, Washington's Mount St. Helens erupted in a cataclysmic blast that left 57 people dead and an area the size of Chicago completely devastated.
Mount Banahaw (IPA: [bɐˈnahaʊ]; also spelled as Banahao and Banájao) is an active complex volcano on Luzon in the Philippines. The three-peaked volcano is located at the boundary of Laguna and Quezon provinces. It is the highest mountain in both provinces and Calabarzon region, dominating the landscape for miles around. [4]
Shiveluch is a volcano within the Kuril–Kamchatka volcanic arc which hosts tens of other volcanoes. As the Pacific Plate crust subducts deeper under the Okhotsk Plate, the melting points of minerals underground are reduced by other materials including water which results in the materials melting and forming into magma which rises onto the surface and forms the volcanoes.