Across
- 6. Alfred Wegener's theory
- 8. Huge wave caused by earthquake under sea
- 11. Layer of the earth made of iron and nickel
- 12. Instrument used to measure strength of earthquake
- 14. Type of volcano which erupts regularly
- 16. A sudden tremor or vibration in the Earths crust
- 17. Outside layer of the earth
Down
- 1. Plates with land on top
- 2. Plates with oceans on top
- 3. What do you give first? Eastings or Northings?
- 4. Person who studies earthquake activity
- 5. Afeature formed when plates collide
- 7. Before the eastings what do you give?
- 9. smaller tremors that follow an earthquake
- 10. Layer of Earth beneath the Crust
- 13. Type of volcano which will not erupt again
- 15. The gap at the top of volcano
