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Richter scale question

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An earthquake registers 6.1 on the richter scale. What is the rating on an earthquake twice as powerful?

I know: M=I/Io

Then what do you do?

  • Richter scale question - ,

    http://www.matter.org.uk/schools/content/seismology/richterscale.html

    Is the epicenter in the desert? In the mountains? In a city? Is it a strike-slip, normal, or thrust type of earthquake?
    http://earthquake.usgs.gov/learn/glossary/?term=strike-slip

    Lots of different factors.

  • Richter scale question - ,

    I was not given any information regarding these factors, I wrote out the question I was given

  • Richter scale question - ,

    Be sure you read (and reread and reread, if necessary) the first paragraph in that first link I gave you above.

    Read carefully and apply...

  • Richter scale question - ,

    I'm sorry, I'm still confused.

    Is it something like log(2) 6.1??

  • Richter scale question - ,

    Add log 2 to 6.1

  • math - ,

    A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.9 102 ┬Ám. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

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