Across
- 1. Molten rock that flows from a volcano
- 3. Fine particles ejected from a volcanic eruption
- 6. Large section of Earth’s crust that moves slowly
- 7. The point on Earth's surface directly above an earthquake
- 8. A crack in the Earth's crust where earthquakes occur
- 9. Molten rock beneath the Earth's surface
- 11. A scale used to measure earthquake strength
- 13. A large volcanic crater, often formed by collapse
- 16. Layer beneath the Earth's crust where magma forms
- 18. When a volcano expels lava, ash, and gases
- 19. Bowl-shaped opening at the top of a volcano
- 20. A place where magma rises in the middle of a plate
Down
- 2. A mountain that erupts molten rock and gases
- 4. Device that records earthquake waves
- 5. – Relating to the plates that move and cause quakes
- 10. Relating to earthquakes
- 12. Giant sea wave caused by an underwater earthquake
- 14. A smaller earthquake following the main one
- 15. One plate going under another
- 17. A small or slight earthquake