What Two Scales Are Used to Measure Earthquakes?

Answer

The two main scales used to measure earthquakes are the Richter scales and Mercalli sales. The Richter which was discovered in 1930 by Dr. Charles Richter is a base 10 logarithmic scale. Mercalli on the other hand was invented in 1902 by Giuseppe Mercalli is not considered to be as scientific as the Richter.
Q&A Related to "What Two Scales Are Used to Measure Earthquakes..."
Richter or local magnitude scale. Moment magnitude scale. Bonus: Surface magnitude scale.
http://wiki.answers.com/Q/What_are_two_scales_that...
Created by seismologist Charles Richter in 1934, the Richter Scale is used today to measure the magnitude of an earthquake. The Richter Scale has developed into incorporating several
http://www.ehow.com/list_6869751_three-scales-meas...
The magnitude of most earthquakes is measured on the Richter scale.
http://www.chacha.com/question/what-are-the-two-sc...
Intensity: Mercalli Intensity Scale ( http://en.wikipedia.org/wiki/Mercalli_in…. Magnitude: Moment Magnitude Scale ( http://en.wikipedia.org/wiki/Moment_magn…. P.S.
http://answers.yahoo.com/question/index?qid=201208...
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