Across
- 1. scale to measure strength of earthquake
- 5. giant ocean wave
- 6. area liable to flooding
- 7. vibratory motion
- 9. point where earthquake is strongest
- 10. sudden violent movement in crust
Down
- 2. how heat moves through the mantle
- 3. large pieces of Earth's crust
- 4. molten rock that flows from volcanoes
- 8. molten rock in the mantle