Nature Calamity

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Across
  1. 2. A severe snowstorm with strong winds and very low visibility.
  2. 3. To move slowly on hands and knees.
  3. 6. To move back and forth or up and down quickly.
  4. 7. Bad weather with strong wind, rain, thunder, or snow.
  5. 9. The top or outer layer of something.
  6. 12. An opening in the earth where lava, ash, and gas can come out.
Down
  1. 1. A storm where strong winds blow sand and dust.
  2. 4. Moving ridges of water, air, or energy that travel across a surface.
  3. 5. A sudden shaking of the ground.
  4. 8. A violent, spinning column of air that touches the ground.
  5. 10. When a volcano explodes and releases lava, ash, and gas.
  6. 11. Relating to the large plates that make up the Earth's crust.