Seismic Waves.
P-waves.
A machine or program to measure seismic waves that travel through the earth after an earthquake or explosion.
Earthquake waves travel in all directions.
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An S-wave is a secondary wave that comes after P-waves, and can travel only through solids.
Earthquake generated waves are called seismic waves. These are waves of energy that travel through the Earth's layers. Their velocity depends on the elasticity and density of the medium that they travel through.
earthquake waves travel through the earths crust.
Since an earthquake or seismic wave is a pressure or force wave (like sound waves), it requires a material in which to propagate. So, no earthquake waves can travel through a vacuum.
seismic waves
by their boundaries
P waves or primary waves.
Seismic, or earthquake waves travel through the earth. They may travel through our crust, which is rocky, or through the more fluid parts, like the mantle, but the medium is the earth.
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P-waves.
Many earthquakes can travel through water until it hits land causing a on shore earthquake.
It is a seismic wave.
These are known as seismic waves.