How Is the Distance to the Source of an Earthquake

question 8

Multiple Choice

How is the distance to the source of an earthquake determined?

• A) by calling many seismograph operators to see who felt it most strongly
• B) by subtracting the travel times of P and S waves
• C) by measuring the frequency of the P waves as they arrive at a seismograph
• D) by measuring the height of the S waves recorded on a seismograph
• E) by adding the travel times of the L waves and the Raleigh waves

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