Across
- 2. waves most destructive seismic wave
- 3. the vibrations produced by the braking of rock
- 7. oundary that comes together
- 10. thickest layer of Earth
- 11. s wave
- 12. the elastic limit is first released
- 16. which layer of earth contains the asthenosphere
- 17. above the focus
- 19. what is the fewest number of seismograph stations needed to find the earthquake epicenter
Down
- 1. all land
- 2. instrument used to record waves of an earthquake
- 4. boundary where earthquakes form
- 5. above the asthenosphere
- 6. what is at the center of the earth
- 8. below the lithosphere
- 9. where no seismic waves are received
- 13. what's the last name of the scientist that purposed the continental drift theory
- 14. how many faults are there
- 15. Earths crust and part of the upper mantle
- 18. wave fastest seismic wave