Question 1: Using the travel time curves graph below and the time lags given, de

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Question 1: Using the travel time curves graph below and the time lags given, determine the epicenter distance for each seismograph station. Station A Time Lag: 7.5 minutes Epicenter Distance from Station A 1O' km Station B Time Lag: 1.25 minutes Epicenter Distance from Station B 10' km Station C Time Lag: 5.75 minutes Epicenter Distance from Station C x 10 km Station D Time Lag: 10.5 minutes ex 10km Epicenter Distance fron Station D: Earthquake P-wave and S-wave Travel Time 20 19 17 16 15 13 12 10 3 4 5 67 8 9 10 EPICENTER DISTANCE (10 km)

Explanation / Answer

ANSWER:

A travel time curve is a graph of the time that it takes for seismic waves to travel from the epicenter of an earthquake to the hundreds of seismograph stationsaround the world. The arrival times of P, S, and Surface waves are shown to be predictable.

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