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Earthquakes and Math
Earthquake scientists (seismologists) use circle geometry to locate the epicenter of a quake and logarithms to classify its severity using the Richter scale.
Epicenter of an Earthquake
The epicenter of an earthquake is located by using circle geometry and special devices called seismometers.
The Richter Scale - Measuring Earthquake Magnitude
Earthquake scientists use logarithms when they measure the strength of an earthquake on "Richter Scale." That means that a magnitude 9 earthquake, like the big 2004 Indian Ocean Earthquake, is ten times as powerful as a magnitude 8 earthquake.
 
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