Natural disasters

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Across
  1. 5. a large amount of snow that quickly moves down a slope
  2. 8. giant waves caused by earthquakes or volcanic eruptions under the sea
  3. 9. a type of storm in which powerful rotating winds form a column, which reaches from a cloud down toward the ground
  4. 10. big snow storm
Down
  1. 1. strong storms that start in the ocean and have winds of at least 74 miles an hou
  2. 2. a giant spark of electricity in the atmosphere between clouds, the air, or the ground
  3. 3. a fire that burns out of control in a natural area, like a forest, grassland, or prairie
  4. 4. what happens when two blocks of the earth suddenly slip past one another
  5. 6. a combination of the words smoke and fog
  6. 7. a thick stream of mud and other material that moves quickly downward