Catastrophe Crossword

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Across
  1. 4. tsunamis are high-energy waves generated by underwater ____ activity.
  2. 6. the tsunami was caused by an underwater volcanic ____.
  3. 7. the tsunami had ___ up to 30 meters high.
Down
  1. 1. people had to rebuild their ____ after the tsunami.
  2. 2. tsunamis can move as ____ as a jet plane.
  3. 3. a lot of ___ get killed in tsunamis.
  4. 5. other natural ____ are sometimes what start tsunamis.]