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| Low silica, high iron, magmas will: |
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Definition
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| High-silica magmas are typical of volcanoes located near: |
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| A volcano composed of both lava and pyroclastics (ash and pumice) would be a: |
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| Which is characteristic of convergent plate boundaries? |
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| Flood basalts are formed by: |
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| A thick viscous magma is most likely to erupt in what way? |
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| Large, relatively flat volcanoes such as those on Hawaii are called: |
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| Explosive eruptions are characteristic of |
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| Stacks of fluid lava flows covering vast areas of land are the result of |
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Definition
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| A phreatic eruption produces |
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Definition
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| Magmas erupted at mid-ocean ridges |
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Definition
| . are from the upper mantle |
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Term
| An eruption featuring both fluid lava and coarse pyroclastics (cinders) would be |
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Definition
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| A magma rich in silica and dissolved gases is most likely to erupt in what way? |
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Definition
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| Basaltic magmas will likely produce |
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Definition
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| A very fast moving turbulent mixture of hot volcanic debris and volcanic gases is a |
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Definition
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| Tsunamis can be caused by |
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Definition
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| Acid rain and acid lakes are the result of |
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Definition
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| Vast amounts of ash in the stratosphere will |
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Definition
| lower global temperatures |
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Definition
| the roof of an empty magma chamber collapses. |
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| Glacier bursts, or Jokulhlaups, occur |
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Definition
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| Pyroclastic flows are produced by |
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Definition
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| The volcanic hazard that can effect areas farthest from the volcano is |
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Definition
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Term
| The Hawaiian volcanoes lie above a |
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Definition
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Term
| Which of the following is NOT an event that can be used to predict a major eruption? |
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Term
| The 1902 eruption of Mt.Pelee destroyed St. Pierre with |
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Definition
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| The sea-level eruption of Krakatau in 1883 produced immense |
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Definition
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| During the eruption of Vesuvius, the people of Pompeii seem to have been overcome by |
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| The most noteworthy feature of the 1973 Heimaey eruption was the effort to divert |
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Definition
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| The first event in the big 1980 eruption of Mt St Helens was a |
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Definition
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Term
| The Mt St Helens eruption destroyed trees up to 20 km away with its |
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Definition
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| Mt. Pelee on the island of Martinique lies above a |
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Definition
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Term
| Long after the eruption of Mt. Pinatubo, the surrounding area continued to be threatened with |
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Definition
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Term
| The eruptions of Paricutin and Heimaey were both preceded by |
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Definition
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| The eruption of lava flows at Kilauea, Hawaii have caused |
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Definition
| extensive destruction to homes |
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Term
| Vesuvius, Santorini and Tambora are all |
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Definition
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Term
| The eruptions of the Mexican volcano Paricutin were |
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Definition
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Term
| The major hazard in the continuing eruption of Kilauea, Hawaii is |
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Definition
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Term
| A major cause of death from the large eruptions of Laki on Iceland was |
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Definition
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Term
| The eruptions of lava flows on Iceland are associated with a |
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Definition
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Term
| Most fatalities from the Tambora eruption were victims of |
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Definition
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Term
| A lesson learned from Mt. Saint Helens that was applied to Mt. Pinatubo was |
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Definition
| to evacuate a large area surrounding the volcano |
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Term
| Some buildings in Hawaii have been saved by |
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Definition
| moving them out of harms way. |
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