renzo2 renzo2
  • 07-12-2017
  • Biology
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how do seismic waves provide a detailed picture of Earth's interior?

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saturntech
saturntech saturntech
  • 07-12-2017
The different layers of the earth have different densities, and the seismic waves produced during an earthquake travel at different speeds through these layers. By measuring the different speeds, we can clarify the presence of layers within the earth, as well as their densities. Waves will travel faster through thinner layers, and slower through more dense layers. 
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