Volcanology Volcanology – The study of Volcanoes, magma and lava

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Presentation transcript:

Volcanology Volcanology – The study of Volcanoes, magma and lava Vulcan: The Roman God of Fire

Convergent volcanism Volcanoes that happen at Subduction zones 80% of all volcanoes

Divergent volcanism Volcanoes that happen at Mid-ocean ridges 15% of all volcanoes

Hot Spots An unusually hot place where magma melts through the crust Not on a plate boundary 5% of volcanoes Ex: Hawaiian islands and Yellowstone

Ring of Fire Subduction zones around the Pacific Plate with lots of volcanic activity

Yellowstone A supervolcano that is caused by a hot spot and has the potential to produce large scale devastation

Hot Spots The PLATES MOVE over the hot spot, the hot spot DOES NOT move!

Warning signs of volcanoes Release of gases Small earthquakes Vibrations Acidic water