Natural disaster

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Across
  1. 3. a strong, dangerous wind that forms itself into an upside-down spinning cone and is able to destroy buildings as it moves across the ground
  2. 4. to damage something so badly that it cannot be used
  3. 7. a large amount of ice, snow, and rock falling quickly down the side of a mountain
  4. 8. a fire that is burning strongly and out of control on an area of grass or bushes in the countryside
  5. 9. an occasion when a volcano explodes, and flames and rocks come out of it
  6. 11. to hurt or cause physical harm to a person or animal
  7. 12. to harm or spoil something
  8. 13. a sudden violent movement of the earth's surface, sometimes causing great damage
Down
  1. 1. a large amount of water covering an area that is usually dry
  2. 2. a long period when there is little or no rain
  3. 5. an extremely large wave caused by an earthquake under the sea
  4. 6. a violent wind
  5. 10. a mass of rock and earth moving suddenly and quickly down a steep slope