natural disaster

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Across
  1. 3. part of land slides down a hilly slope
  2. 4. serious of huge giant wave
  3. 6. sea storm accompined with highspeed winds
  4. 7. period of dry weather
Down
  1. 1. erruption molten rock, lava & hot gases
  2. 2. sudden shaking in the surface of the earth
  3. 5. flow of water on the land