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A volcano near Alaska’s most populous city could be on the brink of eruption after showing signs of unrest over the past 10 months, according to experts. Hundreds of small earthquakes have ...
Novarupta [a] is a volcano that was formed in 1912, located on the Alaska Peninsula on a slope of Trident Volcano in Katmai National Park and Preserve, about 290 miles (470 km) southwest of Anchorage.
Mount Spurr (Dena'ina: K'idazq'eni) is a stratovolcano in the Aleutian Arc of Alaska, named after United States Geological Survey geologist and explorer Josiah Edward Spurr, who led an expedition to the area in 1898. The Alaska Volcano Observatory (AVO) currently rates Mount Spurr as Level of Concern Color Code Yellow. [1]
Map showing volcanoes of Alaska Peninsula. Dutton is a highly glaciated volcano. Its summit is composed of a series of lava domes which form a complex stratovolcano.The mountain's recent history is marked by at least avalanche which removed andesitic lava flows and several lava domes from the flank of its body and swiftly cascaded westward and southward towards Belkofski Bay.
USGS 1:250,000 topographical maps show an elevation of 16,421 feet (5,005 m), [5] which was determined in 1913 by International Boundary Commission surveyors. [6] However, USGS 1:63,360 topographical maps do not show a spot height, and their contour lines indicate a summit elevation of 16,550 ± 50 feet (5045 ± 15 meters). [ 7 ]
Mount Wrangell, (Ahtna: K’ełt’aeni, or K’ełedi when erupting) [3] is a massive shield volcano located in Wrangell-St. Elias National Park and Preserve in southeastern Alaska, United States. The shield rises over 12,000 feet (3,700 m) above the Copper River to its southwest.
Mount Cleveland is located 490 km (304 mi) from the western end of the Aleutian Arc, [4] a long volcanic chain extending off the coast of Alaska. Containing over 75 volcanoes, [5] this volcanic arc occurs above the subduction zone where the Pacific Plate plunges under the North American Plate.
Mount Emmons [3] is a post-caldera stratovolcano within the Emmons Lake caldera on the Alaska Peninsula within the Lake and Peninsula Borough, Alaska, United States. Map showing volcanoes of Alaska. The mark is set at the location of Emmons Lake.