Part B. Propagation of the tsunami resulting from the 2011 Honshu earthquake. Th

Question

Part B. Propagation of the tsunami resulting from the 2011 Honshu earthquake. This table gives the elapsed time after the earthquake occurred (starred location) that the tsunami was detected at various stations in the DART buoy network. Using these data, draw and label on the map below the approximate location of the tsunami wave front 5, 10, and 15 hours after the earthquake occurred. (3 ptsl 5. Stio Elapsed Time 1 hour 3.25 Station Elapsed Time 21416 21414 46408 46404 2141 21413 21414 21415 21416 21418 464070 464110 Los Angeles 46410 46411 51406 51425 51407 52402 3413 324110 14.5 4.75 54401 32412 Pacific Ocean 0 500 1000 1500 2000 2500 miles Use your map to estimate how long it took the tsunami to arrive at these locations. (1 pt) Osaka, Japan Hawaii (station 51407 New Zealand About how far (in miles) did the tsunami travel from its source near Japan to Los Angeles? (1 pt) 6. 7. 8. How long (in hours) did it take for the tsunami to travel from Japan to Los Angeles? (1 pt) 9. Given the distance and travel time from the two above questions, estimate the speed of the tsunami in miles per hour (show your work). 1 pt)

Explanation / Answer

6) osaka, japan -0.5

hawwai - 13

new zealand - 11

7) japan to los angeles the total miles will be 24994 miles

8) japan to los angeles the travel time will be 13-0.5 = 12.5 hours

9) the total distance is 24994 and travel time is 12.5 hour then the speed of the tsunami will be

= 2499.4/12.5 =199miles

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