Natural disasters

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Across
  1. 3. Sometimes set off by earthquakes, includes lava
  2. 5. A large amount of water on land
  3. 7. Warm tropical water
Down
  1. 1. Usually set off by earthquakes, big wave
  2. 2. A lot of snow and ice in an area
  3. 4. Warm and cool air circulating causing a twister
  4. 6. A prolonged lack of water
  5. 8. Tectonic plates shifting