earthquake vocabulary

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Across
  1. 3. a break in the earth's crust
  2. 6. the strength of the shaking during an earthquake in a certain location
  3. 7. the center of the stress UNDER the surface
  4. 9. a number that categorizes the amount of energy during an earthquake
Down
  1. 1. the fault line in California
  2. 2. the center of the stress ON the surface
  3. 4. a giant wave caused by the movement of the plate tectonics
  4. 5. the shaking of the earth because of the plate tectonics
  5. 8. the layer of the earth where earthquakes happen