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EATS1010ASSIGN4ANS

# EATS1010ASSIGN4ANS - Lab Session Name_ANSWERS Student_58...

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Objective In this exercise you will: 1) plot and interpret an earthquake focus profile, and 2) explain the seismic characteristics of a subduction zone. Procedure 1. The table below lists the locations of earthquakes that have occurred in the Marianas Trench area. Plot the location of each on the Earthquake Focus Profile provided as page 4. 2. Study your earthquake focus profile and answer the questions on page 3 in the spaces provided. Earthquakes of the Marianas Trench Area Horizontal Horizontal Horizontal Depth (km) Distance from Depth (km) Distance from Depth (km) D i s t a n c e from Trench (km) Trench (km) Trench (km) 0 16 0 50 0 72 0 96 32 168 66 132 83 168 83 184 116 232 116 248 150 200 150 260 200 216 200 248 216 264 232 254 250 264 300 360 350 364 350 400 383 408 416 432 448 448 472 416 472 432 500 450 500 458 516 432 516 456 550 500 580 450 580 464 600 480 600 508 600 524 624 508 624 524 650 532 667 548
Page 3 Questions 2.What is the relation between the depth of earthquakes and their distance from the Tonga Trench?

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EATS1010ASSIGN4ANS - Lab Session Name_ANSWERS Student_58...

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