6 13 p 136 mt etna sicily fig 6 15 p 137 cinder

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Unformatted text preview: olcanoes Mauno Loa: 220 km diameter / 9,450 m height (4,169 m asl) Mauna Loa, Big Island, Hawaii 33 erup5ons since 1843 Fig. 6- 12, p. 135 Kilauea Fig. 6- 13, p. 136 Mt. Etna, Sicily Fig. 6- 15, p. 137 Cinder Cones Stratovolcanoes Lava Domes Lassen Peak, CA Chaiten, Chile Lava Domes Mnt. St. Helens, 1985 §༊  Very viscous, rubbly lava (andesite, rhyolite) is squeezed out of a vent without exploding §༊  Cycles of growth/collapse à༎ Plinian Erup4on Giant Con5nental Calderas Phrea5c Erup5ons Mt. St. Helens, 1980 Maar Phreatomagma5c/Surtseyan Erup5on Surtsey, 1963-1965 §༊  §༊  §༊  §༊  Magma or lava interacts explosively with water Undersea volcano finally grown large enough to break the water’s surface Plumes of ash, steam and scoria Basalt Hawaiian Erup5on Mauna Ulu, 1969 §༊  §༊  §༊  Basal4c lava is thrown into...
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