Where Was That Earthquake?
ES1003  Intersecting Circles Identify the Epicenter

Now you'll use each of the distances you recorded for question 2 as the radius of a circle around the recording city. The location where the three circles intersect is the epicenter.

  !   Follow the instructions on the left to draw circles of the appropriate size around each recording city. Record your answer on the map on your student answer sheet.



Southern California Earthquake Center

3. For each location, draw circles corresponding to the distances you recorded in question 2. Sketch the circles on your map and mark the epicenter location.


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