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Why is volcano fed by highly viscous magma is a threat to life and property?
Wiki User
∙ 13y ago
I think this is to do with thew viscosity of the magma itself. Thin lava is very basalt rich, like that that flows out of Mauna Loa on Hawaii. The thick viscous lava that comes out of so-called composite cone volcanoes allows vast amounts of pressure to build up in order to expel the thick lava. This leads to violent eruptions, which naturally causes more damage and loss of life.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoI think this is to do with thew viscosity of the magma itself. Thin lava is very basalt rich, like that that flows out of Mauna Loa on Hawaii. The thick viscous lava that comes out of so-called composite cone volcanoes allows vast amounts of pressure to build up in order to expel the thick lava. This leads to violent eruptions, which naturally causes more damage and loss of life.
Wiki User
∙ 13y agoHighly viscous magma, being of its very nature able to flow well, will, when ejected from said volcano, move almost as fast as a flow of water would down the side of the volcano. This is obviously a danger to property (Really, so is less viscous magma) but a large volume of a highly viscous substance making its way down the presumably steep sides of a volcano can often outpace a running human, and it greatly narrows your margin for error while attempting to flee.
Wiki User
∙ 12y agohighly viscous lava explodes rather than flows and lots of times forms "bombs" that are often very deadly, these bombs are almost like thick, flaming frisbees that can be as big as a house and explode and set fire to things around it
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