The magnitude, M, of an earthquake is defined to be M-log, where I is the intensity of the earthquake (measured by
the amplitude of the seismograph wave) and S is the intensity of a "standard" earthquake, which thara detectable.
earthquake
Which equation represents the magnitude of an earthquake that is 10 times more intense tha
OM-log 105
OM-log(105)
10S
M-log S
10
M-log S
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