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Related Flashcards
Cards In This Set
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What happens as a tsunami approaches the shore?
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The wave height increases and the wave length decreases.
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A volcano is an opening in the Earth's what?
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Crust
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What is the magma chamber?
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A large underground pool of magma.
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What is lava?
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Magma that has reached the surface.-Also, molten rock.-
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What is the crater of a volcano?
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The basin at the top of the volcano
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What is the vent in a volcano?
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The main tube of magma
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What are the two types of volcano called?
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Composite and shield
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Do composite volcanoes have steep sides?
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Yes
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Do composite volcanoes contain lava that flows fast or slow?
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Slow
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What are composite volcanoes made from?
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Layers of ash and lava.
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What type of sides do shield volcanoes have?
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Gently sloping sides.
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What type of lava do shield volcanoes have?
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Fast flowing, runny lava.
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What waves do the magnitude scales measure?
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Seismic waves
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When did the Earthquake and Tsunami in Japan happen?
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March 11, 2011
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What did the Richter Scale used to measure?
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The waves in an earthquake.
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