Question

what do think is the source of earthquake waves?​

Answer 1

Answer:

Seismic waves are waves that travel through or over Earth. They are usually generated by movements of the Earth's tectonic plates (earthquakes) but may also be caused by explosions, volcanoes and landslides. They can tell us much about the Earth's structure

Explanation:

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Answer 2

Answer:

Seismic waves are the source of earthquake waves.

Explanation:

Seismic waves

• Seismic waves are generally caused by the sudden movement of materials which are present within the Earth, such as slip along a fault during an earthquake.
• Volcanic eruptions, explosions, landslides, avalanches and even rushing rivers can cause seismic waves.
• Seismic waves travel through and around the Earth.
• Seismic waves can be recorded with seismometers.

Types of Seismic Waves

There are several different kinds of seismic waves and they all move in different ways. The two main types of seismic waves are as follows:

• Body waves: Body waves can travel through the Earth's inner layers.
• Surface waves: Surface waves can only move along the surface of the planet like ripples on water.

Earthquakes send out seismic energy as both body and surface waves.

Seismometer

• A seismometer is the internal part of the seismograph, which may be a pendulum or a mass which is mounted on a spring.
• Seismographs are instruments which are used to record the motion of the ground during an earthquake.

Therefore, seismic waves are the source of earthquake waves.

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