Natural disasters

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Across
  1. 6. is a severe snowstorm with strong winds
  2. 7. is a powerful tropical storm
  3. 8. occurs when water overflows onto land
Down
  1. 1. magma,gas and ash expelled from a volcano
  2. 2. in an uncontrolled fire
  3. 3. is a series of ocean waves
  4. 4. sudden shaking of the ground
  5. 5. is a rapidly rotating column