Earthquake Crossword!

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Across
  1. 3. changing the existing structure to make it more resistant to heavy seismic activity.
  2. 6. Finish the sentence: All people should have a proper __________ route.
  3. 9. Tremors after the main earthquake.
  4. 10. Finish the sentence: Stay calm in case of ________.
Down
  1. 1. It is used to detect movement before earthquakes.
  2. 2. Size or scale of something.
  3. 4. Finish the sentence: the bridge _________ suddenly.
  4. 5. Instability on slopes.
  5. 7. Recording of the amount of energy released by an earthquake.
  6. 8. Vibrations caused by an earthquake.