# Science

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What is the difference between the focus of an earthquake and its epicenter?

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what is the relationship between the focus and the epicenter of an earthquake?
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The distance from an earthquake epicenter to New York City is 3000 km. What is the approximate travel time for the P-waves from the epicenter to the city?
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To locate the epicenter of an earthquake a seismologists must determine all of the following except ?
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