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14 April, 09:36

The magnitude, M, of an earthquake is defined to be

, where / is the intensity of the earthquake (measured by the

amplitude of the seismograph wave) and S is the intensity of a "standard" earthquake, which is barely detectable. What is the

magnitude of an earthquake that is 35 times more intense than a standard earthquake? Use a calculator. Round your answer to

the nearest tenth.

-1.5

-0.5

1.5

3.6

+3
Answers (1)
  1. 14 April, 13:15
    0
    1.5

    Step-by-step explanation:

    The magnitude, M, of an earthquake is defined to be

    M = log l/s

    where I is the intensity of the earthquake and s is the intensity of a "standard" earthquake.

    If an earthquake that is 35 times more intense than a standard earthquake, then l/s = 35. Replacing it in the equation:

    M = log 35 = 1.5
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