how to find the displacement of an earthquake by logarithms

An earthquake which registers 2 on the Richter scale shows a maximum displacement of 45mm on the seismograph. What would the maximum displacement be for an earthquake of 3.5 on the Richter scale be the same distance away?
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2 Answers

Not nuf info

erthquake skale

yu gotta giv us 2 points so us kan ges equashun

me thank that erthquake skale meen wen number go from 2 tu 3,

the "magnitude" av quake go up bi 10

so foers=konstant*10^quake-number

in yer zampel, start point hav skale number=2 & "displaes"=45 mm

number 3.5...multipli bi 10^1.5...31.62
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