What is the meaning of seismic waves?

• Seismic waves are the waves of energy caused by the sudden breaking of rock within the earth or an explosion.
• They are the energy that travels through the Earth's layers and are a result of earthquakes, volcanic eruptions, magma movement, large landslides and large man-made explosions that give out low-frequency acoustic energy.
• It is recorded on seismographs.
• There are four types of seismic waves.
• P- Waves (Primary waves).
• S- Waves (Secondary waves).
• L- Waves (Surface waves).
• Rayleigh waves.

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Updated on: 10-Oct-2022

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