Posted by
**kiki** on
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A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.2 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

M =

Tuesday

March 28, 2017
Posted by
**kiki** on
.

A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.2 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

M =

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