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www.reference.com/article/causes-seismic-waves-699d19fe18c2649e

Seismic waves occur from actions within the Earth's core, including breaking and splitting rocks, explosions and volcanic eruptions. Seismic waves occur on land and in the ocean; they exist in two primary forms — surface waves and body waves. Body waves travel undergrou...

www.reference.com/article/types-seismic-waves-1473003293e53374

Two main types of seismic waves exist: body waves and surface waves. Body waves include P waves or primary waves and S waves or secondary waves. Surface waves include Love waves and Rayleigh waves.

www.reference.com/science/three-types-seismic-waves-1bf75e15f7dfc62c

The three types of seismic waves are primary waves, secondary waves and surface waves. Seismic waves can cause earthquakes and have destructive capability. Primary and secondary waves are known as body waves, and these waves penetrate the interior of the Earth, whereas ...

www.reference.com/article/seismic-wave-causes-damage-7b01b0eb10fa3e41

During an earthquake, surface waves are the seismic waves that cause the most damage. Unlike other seismic waves that move deep inside the Earth, surface waves move along just under the surface of the Earth like waves in water.

www.reference.com/article/type-seismic-wave-destructive-37fd73308b11a6f4

The S wave is the most destructive wave that causes earthquakes. S waves are more dangerous because they are larger than other wave types and produce both horizontal and vertical motion on and under the ground.

www.reference.com/article/wave-speed-b3a8d3eb69f1cddb

Wave speed is a measure of how fast a wave travels. It is calculated as a ratio of how far a wave travels to the time it takes the wave to travel that distance.

www.reference.com/article/seismic-activity-ab761e2a8227e82f

Seismic activity is described by geologists as an elastic wave traveling through the Earth following an earthquake or other geological disturbance. Seismic activity encompasses the frequency, size and type of earthquake, according to the Preparatory Commission for the C...