Use the travel-time graph, Figure 2, to determine the distance that each station

Question

Use the travel-time graph, Figure 2, to determine the distance that each station in Figure 3 is from the epicenter. Write your answers in the epicenter data table, Table 1. 1. After you have determined the distance that each stationis from the epicenter, use the drawing compass provided to draw a circle around each of the three stations with a radius, in miles, equal to its distance from the epicenter. Use the map of the United States. 2. (Note: Use the distance scale provided on the map to set the distance on the drawing compass for each station.) Table 1. Epicenter data table Los Angeles, CA St. Louis, MOHouston, TX Elapsed time between first P and S waves (minutes) Distance from epicenter in miles Figure 3.

Explanation / Answer

1) elapsed time :

station c = 4 minute 50 sec; distance from e =2000 miles

Station b = 2 min 30s; distance from e= 700 miles

station a = 1 minute; distance from e= 450 miles

2) Map has not been provided; please use values of distance provided as radius and draw circles on the map you have been provided with.

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