Content-Length: 123576 | pFad | http://www.usgs.gov/media/images/triangulation-locate-earthquake
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Triangulation can be used to locate an earthquake. The seismometers are shown as green dots. The calculated distance from each seismometer to the earthquake is shown as a circle. The location where all the circles intersect is the location of the earthquake epicenter.
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Fetched URL: http://www.usgs.gov/media/images/triangulation-locate-earthquake
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