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25 Cards in this Set
- Front
- Back
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anticline
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upward fold
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fault
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break in the earth's crust along which movement has occurred
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syncline
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downward fold
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elevation
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distance above or below sea level
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landform
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physical feature of the earth's surface
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crater
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funnel-shaped pit at the top of a volcanic cone
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lava
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magma on the earth's surface
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vent
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opening from which lava flows
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vocalnism
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movement of magma on or inside the earth
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volcano
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vent and the pile of volcanic material around the vent
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cinder cone
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volcanic cone made up of rock particles, dust, and ash
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composite cone
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volcanic cone made up of alternating layers of lava and rock particles
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shield cone
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volcanic cone made up of layers of hardened lava
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earthquake
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sudden, strong movement of the earth's crust
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epicenter
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place on the surface of the earth directly above the focus
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focus
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place inside the earth where an earthquake starts
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seismic
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earthquake waves
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seismograph
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instrument that detects and measures earthquakes
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L-waves
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surface waves
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P-waves
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fastest earthquake waves
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S-waves
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second earthquake waves to be recorded at a seismograph station
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Richter Scale
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scale that measures the energy released by an earthquake
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tsunami
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ocean wave caused by an earthquake
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Ring of Fire
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major earthquake and volcano zone that almost forms a circle around the Pacific Ocean
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fracture |
break in a rock |
