Contouring Ground Displacement II

Use the figure for Activity 12 to answer the following questions before contouring the ground displacement data.

  1. Where is the center of ground displacement located? Halemaumau Crater, the upper east rift zone, or the upper southwest rift zone? (circle one)

  2. Does the ground displacement pattern indicate uplift or subsidence? (circle one)

  3. What is the maximum amount of ground displacement?

    Answer the following questions after contouring the ground displacement data.

  4. Does the pattern defined by the contours support your answer to question 1?

  5. Draw a line on the diagram where volcanic activity probably occurred.

  6. Did you have any difficulties defining the southwestern part of the pattern? Explain.

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