Across
- 2. Most earthquakes occur at plate ___ where the stress is the greatest
- 7. Measured by a seismograph
- 9. The strength of an earthquake
- 10. Body waves that are slower
- 11. Amount of damage
- 15. Body waves that are the fastest
- 17. Slower moving waves that may cause the greatest damage
- 18. A fracture between two or more blocks of rock
- 19. Is there a reliable way to predict earthquakes?
- 20. Types of ___ can affect how buildings respond to seismic waves
Down
- 1. Instrument that measures and records details of earthquakes
- 3. Spot on surface above the focus
- 4. Measured by observation
- 5. Location of the first motion in Earth
- 6. The difference between arrival times of P and S waves
- 8. Areas where no body waves are detected
- 12. Tsunamis form when the epicenter is on the ___ floor
- 13. A type of surface wave
- 14. What an earthquake can cause (water)
- 16. Secondary (S) waves travel through ___ only