Part IV Task 3 Compare Question. Explain/defend answer. Transcribed Image Text: PARTIV: TESTING YOUR ESTIMATE – LISBON QUAKE OF 1755
3500 miles
Task 1: Distance from quake epicenter to San Juan, Puerto Rico:
Task 2: Calculated speed of 1755 Tsunami:
438
miles/hr
Task 3: Compare your estimated speed of an Atlantic tsunamiwave from Part III to the calculated speed of the
1755 Atlantic tsunami from Part IV. BASED ON THIS COMPARISON, do you think that the method used in Part III
to determine tsunami speed based on the average depth of the ocean is appropriate and accurate enough for
making safe estimates for the arrival times of Atlantic tsunamis? Explain/defend your answer. Transcribed Image Text: PART I: 2004 INDIAN OCEAN TSUNAMI SPEED
Tasks 1
Tasks 2
Tasks 3
Distance (miles)
Travel time (hrs)
Tsunami speed (mile/hr)
Indian Ocean
Epicenter to St. Denis, Reunion Is.
_3200miles_
_7 hours_
457miles/hour_
PART II: 2011 PACIFICOCEAN TSUNAMI SPEED
Tasks 1
Tasks 2
Tasks 3
Distance (miles)
travel time (hrs)
Tsunami speed (mile/hr)
Pacific Ocean
Epicenter to Crescent City CA: 4645miles_
9 hours
_516mile/hr_
PART III: ESTIMATING SPEED OF ATLANTIC OCEAN TSUNAMI
Graph A
Indian Ocean Ave.
Tsunami speed vs. Ocean depth
Depth: 12,900 ft
600
Pacific Ocean Ave.
Depth: 14,000 ft
550
Atlantic Ocean Ave.
500
Depth: 11,900 ft
450
400
350
300
11,000
1,442,000
13,000
14,000
15,000
10,000
Average depth of Ocean, feet
40mile Slnanl.
Task 3: Estimated
Atlantic tsunami speed (in miles/hour) from the graph:
1
Tsunami speed miles/hr
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