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Analyzing Earthquake

Analyzing Earthquake Data

TermDefinition
Body Wave An earthquake wave that travels through the body of the Earth rather than on its surface. See also P-wave, S-wave,and surface wave.
Surface wave An earthquake wave that travels at or near the surface of Earth.
P-wave A primary (compressional) earthquake wave that travels through the body of Earth; so named because it is the first wave to reach a seismograph station during an earthquake. See also S-wave.
S-wave A secondary earthquake wave, so named because it travels slower than a primary wave and is the second wave to reach the seismograph station after an earthquake. It travels through the body of Earth as a series of crests and troughs. See also P-wave.
Aftershock An earthquake that occurs later along the same fault zone as a major earthquake,but before the area has returned to its normal level of seismic activity.
Epicenter Location on Earth's surface directly above an earthquake's focus, or origin.
Focus Location beneath Earth's surface where the energy of an earthquake is released
Created by: user-2013412
 

 



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