Across
- 3. A shaking of the earth
- 4. A tropical storm with winds
- 5. The main cause of tornadoes
- 7. A natural event that causes great damage or loss of life
- 9. Violently spinning funnel shaped column of air
Down
- 1. A measure of the speed of winds in tornadoes and hurricanes
- 2. A measure of the strength of earthquakes
- 6. An uncontrolled fire in a wild or urban area
- 8. A large amount of earth sliding down a steep slope