Earthquakes and Volcanos

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Across
  1. 4. A rapture in the earth. Lava, ash, and gases escape
  2. 6. An instrument that records seismic waves
  3. 7. A sudden movement of the ground
  4. 8. The layer of the earth that is cracked to make the tectonic plates
  5. 9. very large land mass
Down
  1. 1. The point on the surface directly above the focus
  2. 2. The amount of energy released. there is only one
  3. 3. Silicate rock, flows slowly, cools fast
  4. 5. Plates moving away from each other