Across
- 4. Molten rock above the surface of the Earth.
- 5. Colliding tectonic plates.
- 8. A volcano that has not erupted for thousands of years and is unlikely to erupt again.
- 10. A volcano that has not erupted for over 20 years but is not extinct.
- 12. A zone of intense volcanic and earthquake activity (4,2,4).
- 13. The name of the energy waves caused by an earthquake.
- 14. A scientific instrument for measuring seismic waves.
- 15. Molten rock.
- 16. Tectonic plates moving along each other.
Down
- 1. Tectonic plates moving apart.
- 2. A volcano that has recently erupted.
- 3. The location on the surface above the focus of an earthquake.
- 6. A zone where one plate is being pushed under another.
- 7. A super continent.
- 9. A continental volcano may form here.
- 11. A large wave caused by an underwater earthquake.
- 13. S waves are also know as ... waves.
- 17. The point where an earthquake originates.