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Mount Edziza, a stratovolcano in northwestern British Columbia A topographic map of Canada, showing elevations shaded from green (lower) to brown (higher). Volcanic activity is a major part of the geology of Canada and is characterized by many types of volcanic landform, including lava flows, volcanic plateaus, lava domes, cinder cones, stratovolcanoes, shield volcanoes, submarine volcanoes ...
The crater again contained an active lava lake between 2008 and 2018, with the level of the lava usually fluctuating between 20 and 150 meters below Halemaʻumaʻu's crater floor, though at times the lava lake rose high enough to spill onto crater floor. The lava lake drained away in May 2018 as new volcanic vents opened in lower Puna. The ...
The word lava comes from Italian and is probably derived from the Latin word labes, which means a fall or slide. [2] [3] An early use of the word in connection with extrusion of magma from below the surface is found in a short account of the 1737 eruption of Vesuvius, written by Francesco Serao, who described "a flow of fiery lava" as an analogy to the flow of water and mud down the flanks of ...
Play the USA TODAY Crossword Puzzle.-Los Angeles Times crossword-Today’s crossword (McMeel) ... Kilauea volcano eruption paused after spewing lava in Hawaii, USGS says. Advertisement ...
Pele's hair, with a hand lens as scale Strands of Pele's hair under microscope view. Pele's hair (closest modern Hawaiian translation: "lauoho o Pele " [1]) is a volcanic glass formation produced from cooled lava stretched into thin strands, usually from lava fountains, lava cascades, or vigorous lava flows.
Unlike shield volcanoes, lava dome volcanoes are created by small masses of lava that are too thick to flow very far down the slope. They commonly occur within the creators of large composite volcanoes. The dome grows from lava expanding within the volcano. When lava domes explode, they violently release huge amounts of ash and rock.
Fissure vent – Linear volcanic vent through which lava erupts; Geyser – Natural explosive eruption of hot water; Guyot – Isolated, flat-topped underwater volcano mountain; Hornito – Conical structures built up by lava ejected through an opening in the crust of a lava flow; Kīpuka – Area of land surrounded by one or more younger lava ...
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