Vocabulary Crossword

2. A scale that measures how much energy earthquakes release
4. Things that compress/expand the ground, seismic waves
5. A record of earth's seismic activity recorded by a seismograph
9. When a rock is pulled apart by tension
10. Two tectonic plates smush against each other
12. A device that measures seismic waves
13. Seismic waves that vibrate from side to side, come after p-waves
15. When shearing occurs and breaks the earth, this fault is formed
17. Seismic waves that make the earth roll like ocean waves, can cause severe ground damage

1. The earliest magnitude scale
2. Something that measures the shaking of the earth
3. The surface place directly above the focus
6. A number that geologists give to an earthquake,measuring its size
7. Where two plates move/pull apart
8. When a rock breaks from plate compression
11. The place under the earth where rocks under stress start to break/move
14. When the tectonic plates rub up against each other and make the earth shake
16. A large area of flat land elevated above sea level
17. When the plates shift past each other in opposite directions