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Main menu. Main menu. move to sidebar hide. ... Submarine volcano: The Union Seamount is a seamount located in the Pacific Ocean off the coast of northern Vancouver ...
Submarine volcano The Union Seamount is a seamount located in the Pacific Ocean off the coast of northern Vancouver Island , British Columbia , Canada . References
Union Peak is a heavily eroded shield volcano in the Cascade Range of central Oregon, located along the Cascade Crest less than 7 miles (11.3 km) southwest of the rim of Crater Lake. Ice age glaciers eroded away most of the flanks of the volcano, leaving numerous deep cirques surrounding a central glacial horn .
Name Type Elevation (m) Elevation (ft) Last eruption date Last eruption VEI Location Mount Baker: Stratovolcano: 3,286: 10,781: 1880: 2: Sherman Crater: Volcanic crater
Name Location Elevation (m) Coordinates Last eruption Notes Askja: Iceland: 1,516 m (4,974 ft) 1961 [1]Eldfell: Iceland: 200 m (660 ft) 1973 [2]Krafla: Iceland: 800 m (2,600 ft)
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The two submarine volcanoes are capped by hawaiite and are surrounded by numerous smaller vents, with a total edifice volume of about 12 km 3. [2]The lava emitted in eruptions at the Tuzo Wilson Seamounts is made of basalt, a common gray to black or dark brown extrusive volcanic rock low in silica content (the lava is mafic) that is usually fine-grained due to rapid cooling of lava.
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