GK
WORLD GEOGRAPHY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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the epicentre within the body of the earth
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the focus on the surface of the earth
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the focus within the body of the earth
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the epicentre on the body of the earth
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Detailed explanation-1: -earthquakes. The P seismic waves travel as elastic motions at the highest speeds. They are longitudinal waves that can be transmitted by both solid and liquid materials in the Earth’s interior.
Detailed explanation-2: -P Waves (Longitudinal Waves) They are responsible, in particular, for the terrifying sounds accompanying large earthquakes. These waves travel at about 5 miles per second and force the crustal rock to vibrate along the direction of wave travel.
Detailed explanation-3: -Secondary waves (S-waves) are shear waves that are transverse in nature. Following an earthquake event, S-waves arrive at seismograph stations after the faster-moving P-waves and displace the ground perpendicular to the direction of propagation.