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24 Cards in this Set
- Front
- Back
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Where do earthquakes happen?
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below the surface of the earth
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What part of the earth is the lithosphere located?
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the crust and UPPER MANTLE
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The point on the surface othe earth directly above the focus is called what?
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epicenter
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___ ___ are the vibrations that flow out from the focus of an earthquake.
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seismic waves
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Vocanic fog is called _____?
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vog
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Volcanoes found in an area around the eades of the Pacific Ocean are called what?
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Ring of Fire
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What is molten rock called?
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magma
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Magma on top of the earth's crust is called ?
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lava
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How do earthquakes occur?
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When plate boundaries shift suddenly along a fault and release their stored energy
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Earthquakes can trigger what other tramatic weather event?
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tsunamis
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What are vibrations that flow out from the focus of an earthquake?
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seismic waves
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____ are scientists that study the movements of the earth.
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seismologists
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The Richter scale measures what?
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an earthquakes magnitude
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A volcano that HAS erutped in the past but is not expected to erupt again is said to be ______.
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dormant
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Mauna Loa , the world's largest active volcano, is large and gradually slopes, is an example of a _____ volcano?
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shield
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Cinders are pieces of ____ and____ blown into the air by a volcano.
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ash and lava
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What is the beginning point of an earthquake calledd?
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focus
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What detects times and measures the movements of the earth.
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seismograph
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Volcanoes that DO NOT HAVE A RECORED ERUPTION and are not expected to erupt in the future _____.
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extinct
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What do you call a volcano that has a bowl-like crater on top and only one main vent?
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Cinder Cone
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Be sure and study the following pictures and be able to label them.
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parts of a volcano
3 different types of faults |
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Hot springs and gysers are different how?
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geysers-blows steam and water into the air
hot springs - pool of warmed water |
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_____ is the strength of seismic waves of an earthquake.
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magnitude
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What happens when a volcano erupts two different ways?
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one eruption changes the conditions inside the volcano and it causes the volcano to erupt differently next.
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