During an earthquake, you will first encounter an inital shaking, followed by a different type of shaking. This later type of shaking is due to?Group of answer choicesS-WavesP-WavesTsunamisLandslides
Question
During an earthquake, you will first encounter an inital shaking, followed by a different type of shaking. This later type of shaking is due to?Group of answer choicesS-WavesP-WavesTsunamisLandslides
Solution
The later type of shaking during an earthquake is due to S-Waves.
Here's a step-by-step explanation:
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An earthquake begins when there's a sudden release of energy in the Earth's crust, creating seismic waves that travel through the earth.
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The first type of seismic wave is the P-Wave, or primary wave. This is the fastest kind of seismic wave, and the first to be recorded by seismographs. P-Waves are compression waves that cause particles in the ground to move in the direction of the wave - this is the initial shaking you feel.
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The second type of seismic wave is the S-Wave, or secondary wave. S-Waves are slower than P-Waves, and arrive second. They are also larger in amplitude and therefore more destructive. S-Waves cause particles to move perpendicular to the wave direction - this is the different type of shaking you feel after the initial shaking.
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Tsunamis and landslides can be triggered by earthquakes, but they are not the direct cause of the shaking felt during an earthquake.
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