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Earthquakes (Where do earthquakes occur? (Most earthquakes occur in the…
Earthquakes
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Seismic Waves
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primary waves - also called P-waves, cause particles in the ground to move in a push-push motion similar to a coiled spring, travels through solids and liquids
Secondary waves - also called S-waves, are slower than P- waves. They cause particles to move up and down at right angels relative to the direction the wave travels, only travels through solids
Surface waves - cause particles in the ground to move up and down in a rolling motion, similar to ocean waves, generally causes the most damage
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What are earthquakes?
Earthquakes are the viberates in the ground that result from movement along breaks in Earth's lithosphere
the greater the force applied to a fault, the greater the chance of a large and destructive earthquake
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Mapping Earth's Interior
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A seismometer measures and records ground motion and can be used to determine the distance seismic waves travel
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