Posted by **Ali** on Monday, November 1, 2010 at 10:43am.

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 -
**Writeacher**, Monday, November 1, 2010 at 10:53am
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 -
**Ali**, Monday, November 1, 2010 at 10:58am
I was not given any information regarding these factors, I wrote out the question I was given

- Richter scale question -
**Writeacher**, Monday, November 1, 2010 at 11:16am
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 -
**Ali**, Monday, November 1, 2010 at 11:23am
I'm sorry, I'm still confused.

Is it something like log(2) 6.1??

- Richter scale question -
**bobpursley**, Monday, November 1, 2010 at 11:28am
Add log 2 to 6.1

- math -
**calvin**, Friday, October 21, 2011 at 6:49pm
A seismograph 300 km from the epicenter of an earthquake recorded a maximum amplitude of 5.9 102 µm. Find this earthquake's magnitude on the Richter scale. (Round your answer to the nearest tenth.)

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