Earthquakes Crossword

123456789101112
Across
  1. 9. Equipment used to measure size of earthquakes.
  2. 10. Scale used to measure the magnitude of earthquakes.
  3. 11. Plate margin where plates slide past each other.
  4. 12. Interlocking structure on buildings to allow it to twist and move.
Down
  1. 1. Point on surface where seismic waves are strongest.
  2. 2. Where seismic waves cause soft ground to act as liquid.
  3. 3. Major transform fault in California.
  4. 4. Point underground where the earthquake starts.
  5. 5. Smaller earthquakes after the main quake.
  6. 6. Country where 2023 earthquake killed 55,000 people.
  7. 7. Large waves triggered by earthquake under the sea.
  8. 8. Best material for building aseismic skyscrapers.