Across
- 2. Any kind of shaking that can be measured by seismic instruments.
- 5. The number of seismic stations needed to locate an earthquake epicenter.
- 8. The amount of strain an object can withstand without breaking.
- 9. Tectonic plates that move away from other are called this.
- 11. Tectonic plates that move toward each other are called this.
- 13. An upward force on a less dense rock.
- 14. The second type of wave to reach a seismic station.
- 15. Detect earthquake waves.
- 16. "Stretchiness."
- 17. The fastest body waves.
- 19. Rock on opposite sides of a joint begin to move against each other.
- 20. A crack along a rock that shows no movement.
- 21. Force exerted within a material.
Down
- 1. The hanging wall slides UP the foot wall because of compression stress.
- 3. The horizontal motion along a fault.
- 4. The last waves to reach a seismic station.
- 6. One of the most destructive surface waves.
- 7. The change in the shape of a solid due to stress.
- 10. One of the most destructive surface waves.
- 12. The hanging wall slides DOWN the foot wall because of tension stress.
- 16. The area on the land surface that is above the focus.
- 18. A boundary where tectonic plates slide past each other in opposite directions.