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Author Question: Briefly describe how triangulation is used to locate the epicenter of an earthquake. What will be ... (Read 67 times)

codyclark

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on: Jul 14, 2018
Briefly describe how triangulation is used to locate the epicenter of an earthquake.
 
  What will be an ideal response?

Question 2

What zone on Earth has the greatest amount of seismic activity?
 
  What will be an ideal response?


ryansturges

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Reply #1 on: Jul 14, 2018
Answer to Question 1

For triangulation, one needs at least three seismic stations and their traveltime graphs. The distance from the earthquake epicenter for each station can be determined by the arrival time difference of P and S waves. This distance can be in any location at all, so a circle around the station with a radius of the distance can be drawn for each station. Where these circles intersect is the epicenter of the earthquake.

Answer to Question 2

Around the circum-Pacific belt of plate boundaries.


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