Question

What role does the S-P interval play in locating an earthquake epicenter?

Answer 1

ANSWER:

The time difference between the 'first S wave' and the 'first P wave' helps in determining the distance of the 'seismic station' from the epicenter.

EXPLANATION:

• This S-P interval can be used to calculate the 'magnitude of the earthquake' once it is used to determine 'how many millimeters the ground moves' at the seismic station.

• This measurement can be done when the distance between the epicenter and the seismic station is known.

• The S-P interval helps to know the actual distance and thereby by plotting the time interval and the distance, the 'magnitude of the earthquake' at the epicenter can be known.  

Answer 2

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