Answers

2016-07-26T02:38:07+08:00
There are two types of seismic waves that travel the earth. First is the body waves that can travelsthrough the earth's inner layer core meanwhile the secondary waves can only travel through the surface of earth. Hope it helps. :0
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2016-07-26T18:57:01+08:00
Earthquakes radiate seismic energy as both body and surface waves. Traveling through the interior of the earth, body waves arrive before the surface waves emitted by an earthquake. These waves are of a higher frequency than surface waves. The first kind of body wave is the P wave or primary wave.
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