Step-by-step Answer
PAGE: 296SET: ExercisesPROBLEM: 131
Please look in your text book for this problem Statement

The magnitude function is ,.

Where, the magnitude of an earthquake is .

is the reading of a zero-level earthquake the same distance from its epicenter.

An earthquake whose seismographic reading measures  millimeters.

Find the magnitude of earth quake when seismographic reading of millimeters kilometers from the center.


The magnitude function is .

Substitute and in the above equation.

The magnitude of an earthquake is .

The magnitude of an earthquake is .


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