Across
- 5. volcanic mudflow
- 8. theory of moving plates
- 11. fastest seismic waves and can move through solid, liquid, or gas
- 12. thinner denser crust
- 13. type of volcano made with less viscous magma
Down
- 1. when a plate moves under another plate
- 2. composition of the core
- 3. measures the magnitude of an earthquake
- 4. name for belt of tectonically active place around the Pacific Ocean
- 6. plate boundary that is moving away from each other
- 7. real name of volcanic ash
- 9. point of origin of an earthquake
- 10. between the crust and the outer core