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Consider the following statements.
  1. Shallow earthquakes are generally less devastating compared to deeper earthquakes, because Shallow earthquakes carry less energy when they emerge on the surface.
  2. The seismic waves of deeper earth quakes move radially upwards to the surface.
  3. The earthquake magnitude scale gives a measure of the energy released by the seismic waves.
Which of the above statement sis/are correct?
  • a)
    1, 2 
  • b)
    2 only 
  • c)
    2, 3 
  • d)
    1, 2, 3
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements. Shallow earthquakes are generally l...
  • Shallow earthquakes are generally more devastating because they carry greater energy when they emerge on the surface. Deeper earthquakes lose much of their energy by the time they come to the surface. The deeper quakes spread farther — the seismic waves move radially upwards to the surface — even as they lose energy while travelling greater distances, and hence cause less damage.
  • The earthquake magnitude scale gives a measure of the energy released, although the reading in itself is not of energy. Rather, it takes into account amplitude or ‘size’ of the seismic waves released, and variations in distance between various seismographs and the earthquake epicentre. Thus, it is a dimensionless number — with no physical units.
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Consider the following statements. Shallow earthquakes are generally less devastating compared to deeper earthquakes, because Shallow earthquakes carry less energy when they emerge on the surface. The seismic waves of deeper earth quakes move radially upwards to the surface. The earthquake magnitude scale gives a measure of the energy released by the seismic waves.Which of the above statement sis/are correct?a)1, 2b)2 onlyc)2, 3d)1, 2, 3Correct answer is option 'C'. Can you explain this answer?
Question Description
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