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The diagram below demonstrates how to use Richter's original method to measure a seismogram for a magnitude estimate in Southern California: The scales in the diagram above form a nomogram that allows you to do the mathematical computation quickly by eye. ... Richter Scale nomogram...
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www.seismo.unr.edu/ftp/pub/louie/class/100/magnitude.ht...
www.seismo.unr.edu/ftp/pub/louie/class/100/magnitude.html
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www.data.scec.org/Module/s3act04s.html
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What Is The Richter Scale? ... What Does A 7.0 Mean On A Richter Scale? ... What Do The Richter Scale Numbers Indicate?
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www.blurtit.com/q686053.html
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But I realized: I know very little about the Richter Scale and how earthquakes are actually measured. How could an initial estimate ... Since the two waves travel at different speeds, we can use the time difference for them to reach the seismometer to act as a metric for the distance from the epicenter (in the diagram above,
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samjshah.com/2008/07/30/earthquakes-richter-scale-and-l...
samjshah.com/2008/07/30/earthquakes-richter-scale-and-logarithms/
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The Richter scale is not a physical device, but a mathematical formula. The magnitude of an earthquake is determined from the logarithm of the amplitude of waves recorded on a seismogram at a certain period For further information, see: « P... ... Diagram of the Richter Scale...
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www.ask.com/questions-about/Richter-Scale
www.ask.com/questions-about/Richter-Scale
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Logarithmic scale - Wikipedia, the free encyclopedia
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A logarithmic scale is a scale of measurement that uses the logarithm of a physical quantity instead of the quantity itself. A simple example is when equally-spaced divisions on the vertical axis of...
en.wikipedia.org/wiki/Logarithmic_scale
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Another Richter Scale(tm) column by Jake Richter; This column first appeared in the October 8, 1996 issue of PC Graphics Report ... special toggle buttons (D) on the front of the controller (top in diagram below), and a trigger button (Z - not shown) on the bottom.
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www.richterscale.org/consoles/pc961008.htm
www.richterscale.org/consoles/pc961008.htm
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The Richter scale is a standard scale used to compare earthquakes. ... It is a logarithmic scale, meaning that the numbers on the scale measure factors of 10. So, for example, an earthquake that measures 4.0 on the Richter scale is 10 times larger than one that measures 3.0. On the Richter scale, anything below 2.0...
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www.howstuffworks.com/question142.htm
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The Richter Scale is the best known scale for measuring the magnitude of earthquakes. The magnitude value is proportional to the logarithm of the amplitude of the strongest wave during an earthquake.
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www.matter.org.uk/schools/Content/Seismology/richtersca...
www.matter.org.uk/schools/Content/Seismology/richterscale.html
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