seismic waves

seismic wave

noun
a wave of energy that is generated by an earthquake or other earth vibration and that travels within the earth or along its surface.
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Collins
World English Dictionary
seismic wave
 
n
an earth vibration generated by an earthquake or explosion

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Cultural Dictionary
seismic waves [(seyez-mik)]

In geology, shock waves in solid rock generated by earthquakes or underground explosions. (See seismology.)

Note: Seismic waves travel through the Earth and can be detected far from their source.
Note: Most of our knowledge of the Earth's interior comes from studying seismic waves.
Note: The measurement of seismic waves is also important in detecting underground nuclear tests.
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