The Types of Seismic Waves

Earthquakes happen when two plates collide. When the plates are close to each
other, the pressure from the Earth’s weight is too much for them to push and pull
against each other evenly. This causes a shear force to develop, which makes
the two plates move independently. The pressure from the Earth’s weight will
also cause stress on the rock underneath the plate. This stress will cause a crack
to form in therock, and this crack will widen as time goes on.

What are the types of seismic waves that travel
through Earth?
There are three types of seismic waves that travel through Earth: microseismic
waves, medium-seismic waves, and large-seismic waves. Microseismic waves
travel very quickly and are the most common type of seismic wave. They can be
heard as a sound when they hit the ground. Medium-seismic waves travel a little
slower and are heard as a roar. They can be felt as an earthquake when they hit
the ground. Large-seismic waves are the most dangerous type of seismic wave
and can cause earthquakes that size.

How do earthquakes happen?
Earthquakes happen when two plates collide. When the plates are close to each
other, the pressure from the Earth’s weight is too much for them to push and pull
against each other evenly. This causes a shear force to develop, which makes
the two plates move independently. The pressure from the Earth’s weight will
also cause stress on the rock underneath the plate. This stress will cause a crack
to form in therock, and this crack will widen as time goes on.

The pressure from the Earth’s weight causes a shear
force to develop

When two plates collide, the pressure from the Earth’s weight is too much for
them to push and pull against each other evenly. This causes a shear force to
develop, which makes the two plates move independently. The pressure from the
Earth’s weight will also cause stress on the rock underneath the plate. This stress
will cause a crack to form in therock, and this crack will widen as time goes on.

The two plates move independently and will cause
stress on the rock beneath the plate
The two plates move independently and will cause stress on the rock beneath
the plate. This stress will cause a crack to form in therock, and this crack will
widen as time goes on.

The pressure from the Earth’s weight will also cause
stress on the rock underneath the plate
The pressure from the Earth’s weight will also cause stress on the rock
underneath the plate. This stress will cause a crack to form in therock, and this
crack will widen as time goes on.

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The two plates move independently and will cause stress on the rock beneath
the plate. This stress will cause a crack to form in therock, and this crack will


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The pressure from the Earth’s weight will also cause stress on the rock beneath
the plate that is too thin for the shear force to push and pull against it evenly. This
will cause the thin rock to break and shear, which will create a seismic wave.

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