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Earthquakes (Where do earthquakes occur? (Faults: a break in Earth's…
Earthquakes
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Mapping Earth's Interior
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seismometer: measures and records ground motion and can be used to determine the distance seismic waves travel
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Seismic Waves
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primary waves (P-waves): cause particles to move up and down at right angles relative to the direction the wave travels
secondary waves (s-waves): cause particles to move up and down at right angles relative to the direction the wave travels
surface waves: cause particles in the ground to move up and down in a rolling motion and generally cause the most damage
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What are earthquakes?
Earthquakes: the vibrations in the ground that result from movement along brakes in Earth's lithosphere
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The greater the force applied to a fault, the greater the chance for a very destructive earthquake.
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