Natural disasters

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Across
  1. 2. It's devastating
  2. 4. It's heavy
  3. 6. It's a sudden slide.
  4. 7. It's a seismic sea wave
  5. 8. It's a powerful storm
Down
  1. 1. It's extreme heat
  2. 3. It's violent
  3. 5. It's dirty water