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26 Cards in this Set
- Front
- Back
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lithosphere |
the crust and upper area of the mantle |
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focus |
beginning point of an earthquake |
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seismic waves |
the vibrations that flow out from the focus of an earthquake
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epicenter |
the point on the surface of the earth directly above the focus of an earthquake |
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seismograph |
machine that detects, times, and measures the movements of the earth
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seismologist |
scientist who studies the movement of the earth
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Richter Scale |
measures the magnitude of an earthquake
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magnitude |
strength |
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tsunami |
a sudden series of very long and tall waves that are usually caused by an earthquake
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lava |
magma that has broken through the surface of the earth
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Ring of Fire |
the ring of volcanoes found in an area around the Pacific Ocean
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Shield Volcano |
gradually sloping sides and look like upside down saucers
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Cinder Cone Volcano |
resembles a hill and has a bowl-like crater at the top and has one main vent
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cinder |
ash and lava
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Composite Cone Volcano |
large, symmetrical, cone-shaped
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tephra |
mixture of cinders, ash, and rock
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active volcano |
has erupted at some point and is expected to erupt again
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dormant volcano |
has erupted at some point and is not expected to erupt again
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extinct volcano |
no record of erupting and is not expected to erupt in the future
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vog |
volcanic fog or gases
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hot spring |
water heated by magma that rises to the earth's surface
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geyser |
a hot spring that periodically blows steam and hot water into the air
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mud pot |
a hot spring that has more mud than water
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Strike Slip Fault |
occurs as rocks move horizontally past each other
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Reverse Fault |
occurs where rocks push together until they force a section of rock upward
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Normal Fault |
occurs a rocks move apart
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