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OTHER
TYPE
LAVA
DOME
Lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano.
SUPERVOLCANO
SUPERVOLCANOES
Supervolcano is a volcano on a massive scale. It is different from a volcano because:
it erupts at least 1,000 km3 of material (a large volcano erupts around 1 km3)
it forms a depression, called a caldera (a volcano forms a cone shape)
a supervolcano often has a ridge of higher land around it
a supervolcano erupts less frequently - eruptions are hundreds of thousands of years apart
SUBMARINE VOLCANO
Submarine volcanoes are underwater vents or fissures in the Earth's surface from which magma can erupt.
SUBGLACIAL VOLCANO
subglacial volcano, also known as a glaciovolcano, is a volcanic form produced by subglacial eruptions or eruptions beneath the surface of a glacier or ice sheet which is then melted into a lake by the rising lava.