Natural disaster

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Across
  1. 3. something which flows after a volcano occurs
  2. 5. which can 300 miles per hour
  3. 7. where the ground shake and buildings fall
Down
  1. 1. something that has recently occured in kerela
  2. 2. caused because of heavy rainfall
  3. 4. where the rocks roll down from a mountain
  4. 6. something that comes out of the water like a sprout