Across
- 4. located right above focus
- 5. stress that pulls something apart
- 7. located right under the epicenter
- 13. pulls and squeezes rocks in the same direction
- 14. the reduction in volume
- 16. a change or development.
- 17. outer most layer
- 18. fracture caused by horizontal tension
- 19. deformation by stress
Down
- 1. slower than primary waves
- 2. fractures that occur from horizontal shear
- 3. Tectonic plates are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere.
- 6. boundaries that slide past each other
- 8. boundaries moving toward each other
- 9. fractures that occurs from horizontal compression
- 10. boundries moving away from each other
- 11. wave that travels in two directions
- 12. violent movement of the earth
- 15. break off or cause to break off