Natural Disasters

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Across
  1. 2. A sudden and violent shaking of the ground
  2. 5. A giant wave caused by an earthquake or volcanic eruption
  3. 6. A vent in the Earth's crust through which lava, ash, and gases erupt
  4. 7. The point on the Earth's surface directly above the focus of an earthquake
Down
  1. 1. The point underground where an earthquake starts
  2. 3. The theory that the Earth's crust is made up of many pieces
  3. 4. One of the large, slab-like pieces of rock that make up Earth's crust