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Volcano Revision

Active volcano Volcanoes that are currently erupting or showing signs of unrest EG) Mount Etna
Dormant Volcano A volcano that is not currently erupting or expected to erupt in the near future but is highly probable to do so in the far future EG) Kilimanjaro Tanzania
Extinct Volcano A volcano that will never erupt again because it has lost its source of magma EG) Slemish Mountain Antrim
Fissure Eruption eruptions that occur on divergent plate boundaries where a fissure has formed in the earth's crust. Magma forces its way of through the crust and erupts as a curtain of fire
Central vent Eruption eruptions that occur from a vent in the earth's surface, usually at a convergent plate boundary
Hot spot eruptions occur when a plume of lava rises near the earths crust, it eventually breaks through the earths crust like a blow torch. eg) tha Hawaiian Islands
Plutons intrusive volcanic features like a batholith
4 ways of predicting volcanic activity 1. Changes in the shape of a volcano 2. Heat and gases 3. Seismic Activity 4. History of eruption.
Created by: serrraphina
Popular Geography sets




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