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