Recognize the three types of earthquake waves.
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Primary or P waves are push and pull waves. They are also called longitudinal waves. ...
Secondary, S or Shear Waves are also called transverse wave. ...
L or Surface Waves reach the earth's surface after P and S waves. ...
Secondary, S or Shear Waves are also called transverse wave. ...
L or Surface Waves reach the earth's surface after P and S waves. ...
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1.Primary or P waves are push and pull waves.
They are also called longitudinal waves.
2. Secondary, S or Shear Waves are also called transverse wave.
3. L or Surface Waves reach the earth's surface after P and S waves.
P-Waves (Primary Waves)
P-waves are longitudinal in nature. The vibrations are along the same direction as the direction of travel. It is also known as compressional waves. P-waves travel faster than S-waves.
S-Waves (Secondary waves)
Here the waves travel at right angles to the direction of travel. They are also known as transverse waves and example include water waves.
With this in mind, you will notice that if you are close to the point where an earthquake struck, you will feel both P and S waves close within the same time frame. If you are further away, you will feel the P-wave first and then the S-wave a bit later.
Surface wave travels with a lower velocity than the other two around the surface of the earth. Surface wave is very destructive.
There are two types of L waves: (i) Raileigh Waves (ii) Love Waves. Raileigh waves are characterised by the motion of particles in elliptical orbits in the plane of propagation. In the second kind of waves i.e. love waves, the motion of particles is horizontal and at 90° angle of the direction of their movement.
hope it is helpful
They are also called longitudinal waves.
2. Secondary, S or Shear Waves are also called transverse wave.
3. L or Surface Waves reach the earth's surface after P and S waves.
P-Waves (Primary Waves)
P-waves are longitudinal in nature. The vibrations are along the same direction as the direction of travel. It is also known as compressional waves. P-waves travel faster than S-waves.
S-Waves (Secondary waves)
Here the waves travel at right angles to the direction of travel. They are also known as transverse waves and example include water waves.
With this in mind, you will notice that if you are close to the point where an earthquake struck, you will feel both P and S waves close within the same time frame. If you are further away, you will feel the P-wave first and then the S-wave a bit later.
Surface wave travels with a lower velocity than the other two around the surface of the earth. Surface wave is very destructive.
There are two types of L waves: (i) Raileigh Waves (ii) Love Waves. Raileigh waves are characterised by the motion of particles in elliptical orbits in the plane of propagation. In the second kind of waves i.e. love waves, the motion of particles is horizontal and at 90° angle of the direction of their movement.
hope it is helpful
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