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Volcanoes

Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

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Page 1: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Volcanoes

Page 2: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Volcanoes are mountains that erupt, sometimes explosivelyVolcanoes are mountains that erupt, sometimes explosively

Page 3: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Where do volcanoes erupt?Where do volcanoes erupt?

Page 4: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

VulcanVulcan

Roman God of fire and blacksmithsRoman God of fire and blacksmiths

Page 5: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 6: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Typical ocean and continental types of volcanoesTypical ocean and continental types of volcanoes

Page 7: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

The ring of fire The ring of fire –– oceanic volcanoesoceanic volcanoes

Page 8: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 9: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 10: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Cinder ConesCinder Cones

Page 11: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 12: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 13: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Shield VolcanoesShield Volcanoes

Page 14: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Strata VolcanoesStrata Volcanoes

Page 15: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

CalderasCalderas

Page 16: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Plugs (necks)Plugs (necks)

Page 17: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Volcanoes in CanadaVolcanoes in Canada

Mount MeagerMount MeagerMount Mount CayleyCayleyAnahimAnahim Volcanic beltVolcanic belt

Page 18: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Volcanoes in IcelandVolcanoes in Iceland

Page 19: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Geothermal volcanoesGeothermal volcanoes

Page 20: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Types of eruptions Types of eruptions

Page 21: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Hot SpotsHot Spots

Hawaii!Hawaii!A new volcano is formed every time the plate A new volcano is formed every time the plate shifts over the hotspotshifts over the hotspot

Kilauahe’aactive volcano

Mauna Kea (dormant)

Mauna Loa (dormant)

Page 22: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Lava fountainLava fountain

Page 23: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

PelePele’’s Hairs Hair

Page 24: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

PlineanPlinean EruptionsEruptions

Glowing AvalanchesGlowing Avalanches

Page 25: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Mount VesuviusMount Vesuvius

Today, 700 000 people Today, 700 000 people live on the slopes of the live on the slopes of the volcano.volcano.

Eruption in year 79 destroyed the cities of Pompeii, Herculaneum, Oplontis, and Stabies

Page 26: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 27: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

PompeiiPompeii——Mount VesuviusMount Vesuvius

Page 28: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 29: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

PumicePumice–– violent separation of gas from lava violent separation of gas from lava produces produces ‘‘rock foamrock foam’’

Page 30: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

……

Underwater volcanoesUnderwater volcanoes

Page 31: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Pillow eruptionsPillow eruptions

LavaBecomes a pillow

Page 32: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Underwater ventsUnderwater ventsA source of lifeA source of life

Page 33: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Life on Life on ““DaveDave””

Page 34: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

““Eel CityEel City””

Page 35: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Page 36: Volcanoes - McGill University are mountains that erupt, sometimes explosively Where do volcanoes erupt? Vulcan Roman God of fire and blacksmiths Typical ocean and continental types

Inhabitants in a crater of an Inhabitants in a crater of an underwater volcanounderwater volcano

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