Asked by Clarissa

explain in detail how the epicenter of an earthquake is located by seismic stations.
Answered by drwls
Two different types of waves are detected, and they arrive at different times. The speeds of the two waves are known from previous experience. The time separation of the two waves tells how far away the epicenter is located.
Two or three independent measurements from different measurement stations can be used to precisely locate the epicenter. Intersecting circles on a globe provide the location
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