Disasters Revision

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Across
  1. 1. Mixture of hot rock fragments, gases, and entrapped air that moves at high speed in thick, dark, turbulent clouds after a volcanic eruption
  2. 7. Human caused disaster
  3. 10. The solid outer part of the earth.
  4. 11. The action or process in plate tectonics of the edge of one crustal plate descending below the edge of another
  5. 13. Cyclone formed in North Queensland during 2011 floods
Down
  1. 2. A collapse of a mass of earth or rock from a mountain
  2. 3. Lava under the earth
  3. 4. An instrument designed to measure earthquakes
  4. 5. Extreme scarcity of food
  5. 6. Scale used to measure earthquakes
  6. 8. Volcanoes made up of alternating layers of lava and ash
  7. 9. A series of oceanic waves caused by an earthquake or other event
  8. 12. Lithospheric plate