Natural disasters

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Across
  1. 5. A big shake that can knock buildings down and can badly injure people.
  2. 7. The state of a river that is at an abnormally high level.
  3. 8. Something that lava flows from that can be up to 1000 to 5000 feet.
  4. 9. A severe, often destructive storm, especially a tropical cyclone.
Down
  1. 1. To cause physical or mental harm or suffering to, hurt or wound.
  2. 2. A large wave that can take down a city.
  3. 3. A wild slash of wind that throws everything around.
  4. 4. A prolonged shortage of rainfall.
  5. 6. A violent weather condition of strong winds, rain, hail, thunder, lightning, blowing sand, snow, etc.
  6. 7. A cloud of any substance in the atmosphere reducing visibility.