Across
- 1. a rapid flow of snow down a slope
- 4. a series of ocean waves caused by a large underwater disturbance
- 9. a vent in the earth's crust through which molten rock
- 10. a sudden and violent shaking of the ground
Down
- 2. a tropical cyclone characterized by strong winds and heavy rainfall
- 3. an uncontrolled fire occurring in vegetation, such as forests
- 5. a severe snowstorm characterized by strong winds
- 6. a prolonged period of abnormally low precipitation
- 7. an overflow of water onto land
- 8. a rapidly rotating column of air extending from a thunderstorm to the ground