THE EPICENTER OF EARTHQUAKE 1. 5 . 2. 103° 103 3. . 6. 142 142° P-WAVE S-WAVE P AND S-WAVE
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Table of Contents
Seismic waves
How are earthquake waves produced?
Types of Seismic waves or earthquake waves
Body waves
Primary Waves (P-waves)
Secondary Waves (S-waves)
Surface waves (L-Waves)
Love waves
Rayleigh waves
How do seismic waves help in understanding the earth’s interior?
The emergence of Shadow Zone of P-waves and S-waves
Why do sound waves travel faster in a
Seismic waves
Seismic: relating to earthquakes or other vibrations of the earth and its crust.
Seismic waves are waves of energy that travel through the Earth’s layers and are a result of earthquakes, volcanic eruptions, magma movement, large landslides and large human-made explosions.
The refraction or reflection of seismic waves is used for research into the structure of the Earth’s interior.
The terms seismic waves and earthquake waves are often used interchangeably.
How are earthquake waves produced?
The abrupt release of energy along a fault (sharp break in the crustal layer) causes earthquake waves.
Rock layers along a fault tend to move in opposite directions due to the force excreted on them but are held in place by counteracting frictional force exerted by the overlying rock strata.