Across
- 2. Molten rock that reaches the surface.
- 4. Opening in Earth's crust where magma escapes.
- 9. Process where one tectonic plate moves under another.
- 10. Plate boundary where plates move apart.
- 11. Plate boundary where plates collide.
- 13. The rigid outer layer of the Earth.
- 15. Connected chain of mountains.
Down
- 1. Measure of the energy released by an earthquake.
- 3. Crack in Earth's crust where movement occurs.
- 5. Area where two tectonic plates meet.
- 6. Large section of the Earth's lithosphere.
- 7. Molten rock beneath the Earth's surface.
- 8. Location underground where an earthquake begins.
- 12. Point on Earth's surface directly above the focus of an earthquake.
- 14. Related to vibrations in the Earth caused by earthquakes.