What Causes Seismic Waves?

Answer

Seismic waves are caused by earthquakes. The earthquakes must occur underneath or near the ocean, be large and create movements in the sea floor to generate the seismic wave. They can be caused by submarine landslides or infrequently by submarine volcanic eruptions and rarely by the impact of a large meteorite in the ocean.
Q&A Related to "What Causes Seismic Waves"
As tectonic plates move past one another, stresses build in the large rock masses on those plate boundaries from the friction in the rock not allowing for the plates to slide past
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Earth's crust is composed of many huge, rocky plates known as tectonic plates. These
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Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion or a sharp impact (as used in petroleum exploration). The waves result
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The hard crust of the Earth floats on top of a layer of molten rock, known as magma. When the crust of the Earth moves, it creates vibrations known as seismic waves, according to
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1 Additional Answer
Seismic waves are formed from sound waves that radiate outward when an earthquake ruptures. There are two types of wave activity. They are Compressional waves and P waves. You can find more information here: http://www.seismo.unr.edu/ftp/pub/louie/class/100/seismic-waves.html
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