Earthquake Monitoring

Putting it All Together

When an earthquake occurs, it releases energy in the form of waves that radiate from the earthquake source in all directions. The different types of energy waves shake the ground in different ways and also travel through the earth at different velocities.

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://earthquake.usgs.gov/learning/eqmonitoring/eq-mon-2.php
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Page Last Modified: July 16, 2008 20:11:16 UTC