1. What is the difference between focus and epicenter?
2. Why is it important to seismologists to know the focus and the epicenter?
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1. What is the difference between focus and epicenter?
2. Why is it important to seismologists to know the focus and the epicenter?
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Answer:
1.The focus is the place inside Earth's crust where an earthquake originates. The point on the Earth's surface directly above the focus is the epicenter
2.Knowing this helps them calculate the distance from the epicenter to each seismograph. To determine the direction each wave traveled, scientists draw circles around the seismograph locations. The radius of each circle equals the known distance to the epicenter. Where these three circles intersect is the epicenter.
Explanation:
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