1. EARTHQUAKES

2. P WAVES Go through anything Primary waves Appears first Fast but weak

3. S WAVES Cant go through liquids Secondary waves Strong, but slow Moves side to side

4. FOCUS Earthquakes origin Spreads everywhere

5. EPICENTER Right above the focus At the earths surface

6. During earthquakes Buildings collapse Hide in doors till it stops Find a clear spot to hide Stay away from windows

7. After earthquakes Aftershocks Fires and Tsunamis Check for injuries Inspect house Help trapped people

8. SURFACE WAVES Slowest waves Love waves Rayleigh waves Travel along the earths surface

9. WHICH PLACE HAS THE MOST EARTHQUAKES? WHY? JAPAN FIJI INDONESIA Theyre on the ring of fire fault line

10. How to measure a magnitude Richter scale Increases 31-fold every whole number

11. How to locate an epicenter Three seismograph stations Where the stations meet

12. Which came first? P waves S waves

13. The P wave

14. Which is stronger? P Waves S Waves Love Waves

15. S Waves

16. I. EARTHQUAKES Get at least three seismograph stations and pinpoint where they meet Three of the most powerful waves are love, p waves, and s waves. S waves are the strongest Japan, located near the ring of fire

17. I.EARTHQUAKES Strength of an earthquake is 31-times stronger each whole number During an earthquake stay away from windows, find safe spot to hide After earthquake watch for aftershocks, fires, and tsunamis. Check for injuries.