Dynamic Earth

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Across
  1. 1. A huge wave caused by an earthquake at sea
  2. 3. The point on the Earth's surface where the earthquake is felt the most intensely
  3. 4. The most destructive waves
  4. 6. An opening in the Earth's crust
  5. 8. When pressure is released between tectonic plates
  6. 11. The name given to smaller earthquakes after the main quake
  7. 13. A glass-like rock from an effusive eruption
  8. 15. A rock with lots of holes from an explosive eruption
Down
  1. 2. The hottest layer of the earth
  2. 5. The name given to lava before it reaches the Earth's surface
  3. 7. The outside layer of the Earth
  4. 9. The point in the Earth's crust where the earthquake occurs
  5. 10. Where a tsunami happened in 2011
  6. 12. Runny lava eruption
  7. 14. A type of short-term aid