Across
- 5. Last layer of the earth
- 7. Upper layer of earth
- 8. Together with #4
- 10. The sudden release of built up stress
Down
- 1. Upper layer of mantle
- 2. Lower layer of mantle
- 3. Also know as "Fire Mountain"
- 4. Together with #8
- 6. Fill in the blank "Volcano ________"
- 9. Waves caused by tectonic plates