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Novarupta. 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. Formed during the largest volcanic eruption of the 20th century, Novarupta released 30 times the volume of magma of the 1980 eruption ...
Mount Redoubt. Redoubt Volcano, or Mount Redoubt (Dena'ina: Bentuggezh K’enulgheli), is an active stratovolcano in the largely volcanic Aleutian Range of the U.S. state of Alaska. Located at the head of the Chigmit Mountains subrange in Lake Clark National Park and Preserve, the mountain is just west of Cook Inlet, in the Kenai Peninsula ...
Map showing volcanoes of Alaska Peninsula. Katmai caldera before and after surveys of 1908 and 1951. Mount Katmai is one of five vents encircling the Novarupta volcano, source of the VEI 6 eruption and associated voluminous pyroclastic flows in 1912. Katmai consists chiefly of lava flows, pyroclastic rocks, and non-welded to agglutinated air fall.
Pavlof 2013 eruption from space. Mount Pavlof or Pavlof Volcano is a stratovolcano of the Aleutian Range on the Alaska Peninsula.It has been one of the most active volcanoes in the United States since 1980, with eruptions recorded in 1980, 1981, 1983, 1986–1988, 1996–1997, 2007, 2013, twice in 2014, 2016, and again in 2021-2022.
Mount Edgecumbe (Alaska) Mount Edgecumbe (Tlingit: Lʼúx, Russian: Эджком) is located at the southern end of Kruzof Island, Alaska, about 15 miles (24 km) west of Sitka. The dormant volcano is about 9.9 miles (16 km) east of the Queen Charlotte Fault that separates the North American and Pacific Plates, and is the highest point in the ...
1960 [3] 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]
The New Cone at Okmok Volcano (Photo by C. Neal, Alaska Volcano Observatory) The last eruption of Okmok was in 2008. [1] On July 12 at 14:36 UTC, a first earthquake was recorded. Four hours later, seismic activity notably increased. [161] At 19:43 UTC, seismic tremor indicated the beginning of the eruption [177] and by 20:00 a volcanic ash ...
Last eruption. December 1992 [1] Mount Akutan, officially Akutan Peak, is a stratovolcano in the Aleutian Islands of Alaska. Akutan Peak, at 4,275 feet (1,303 m), is the highest point on the caldera of the Akutan stratovolcano. Akutan contains a 2 km-wide caldera formed during a major explosive eruption about 1600 years ago.