Across
- 6. The type of plate boundary where the plates move towards each other.
- 7. This is the name given to the strength of an earthquake.
- 8. The passage through which magma flows in a volcano.
- 10. Scale This measures the magnitude of an earthquake.
- 11. A super volcano found in North America.
- 13. The process of compaction and cementation in rocks.
- 14. These rocks are made through lithification over many years.
- 17. A fast-moving, incandescent mass of gas-enveloped particles.
- 19. Lava found underneath the Earth's surface.
- 20. A fast moving current of hot gas and volcanic matter.
Down
- 1. Also known as intra-plate volcanism.
- 2. The point on the Earth's surface where an earthquake does most damage.
- 3. The type of plate boundary where the plates move away from each other.
- 4. These rocks are made from immense heat and pressure.
- 5. The point where an earthquake begins.
- 9. The type of plate boundary where the plates slide past each other.
- 12. A famous fault line in North America responsible for earthquakes.
- 15. These rocks are made from cooling and hardening of magma.
- 16. The name given to the waves produced by earthquakes.
- 18. The name given to a type of surface wave produced by an earthquake.