Flashcard Set Preview
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A sudden release of energy resulting from the collision or shifting of crustal plates on the...
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earthquake
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cracks in the earth where sections of one or two plates are moving in opposite directions.
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fault
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Waves that travel through the earth
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seismic waves
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The place where the movement first occurs in the fault (MAY BE HUNDREDS OF MILES BELOW THE...
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hypocenter
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The point on the surface directly above the hypocenter
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Epicenter
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Waves that travel through the interior of the earth
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Body waves
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Waves that move through material by squeezing and stretching the material in the same direction...
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Primary waves (P WAVES)
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Waves that move material up and down in the direction of the wave
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Secondary waves (S WAVES)
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Waves that move at the slowest speed along the earths surface and cause the most damage
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Surface waves
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An instrument that detects and measures seismic waves
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Seismograph
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Giant sea waves that can travel at speeds of 700 to 800 kilometers p/h
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tsunamis
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the scale used to determine the earthquakes strength
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richtorscale
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seismic waves fastest to slowest
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1) P waves
2) S waves
3) Surface waves
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wheres is the San Andreas fault
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California
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how does it move
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sliding side by side ; transform fault
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