Block 5 Worksheet.docx - Geology 210 BLOCK 5 \u2013 Volcanic Hazards 1 Question Where is Mt Pinatubo 2 What type of magmas is generally less explosive

Block 5 Worksheet.docx - Geology 210 BLOCK 5 – Volcanic...

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Geology 210 - BLOCK 5 – Volcanic Hazards T.P. Sampere Question Answer 1 Where is Mt. Pinatubo? Philippines 2 What type of magmas is generally less explosive because they are more fluid? Mafic (silica poor) Magmas 3 What type of eruptions was responsible for the Columbia plateau? What type of rocks was formed? A. Continental fissure eruptions B. Flood Basalts 4 What type of volcano is Hawaii? Shield Volcanoes 5 What type of a volcano is Mt. Fuji? Composite Volcano (Stratovolcanoes) 6 Name a few hazards associated with volcanoes. A. Lahars B. Pyroclastics C. Volcanic Ash 7 What are some problems associated with ashfall (in general why is it a problem)? Can cause lung irritation. The ash can clog airflow/filters in devices and vehicles, reduce visibility and cause treacherous conditions on the road. 8 What is a Lahar? A volcanic ash and water mudflow 9 What is a pyroclastic flow? a denser than air mixture of hot gas and fine ash. 10 What toxic gas killed many in 1986 near Lake Nyos? Carbon Dioxide 11 What happened to most of Krakatoa after the 1883 eruption?
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  • Fall '17
  • Troy Sampere

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