natural disaster

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Across
  1. 3. ground breaks
  2. 4. big wave
  3. 6. comes out of a volcano
  4. 7. used to measure earthquakes
  5. 9. type of rock
  6. 10. solid object can be found in lava
Down
  1. 1. type of rock
  2. 2. another word for lava
  3. 5. type of rock
  4. 8. happens after an earthquake