Earthquakes

4. A mid-ocean ridge is created at this plate boundary
6. this type of wave can only travel through liquids
7. Earth's crust folds upward
9. Earth's crust folds downward to form a valley
12. origin of an earthquake
13. A deep ocean trench is created at this plate boundary
14. this land feature is created near deep ocean trenches at convergent boundaries
15. A force that pushes rock in opposite directions
16. A type of fault when the hanging wall slides up the footwall
18. the shaking and trembling of rock beneath the Earth’s surface

1. A force that squeezes rock until it breaks or folds
2. A type of fault when the hanging wall fall slides below the footwall
3. this type of wave is the first to arrive and can travel through liquids and solids
5. a break in the Earth's crust
6. an instrument that measures the earthquakes
8. A force that pulls on the crust, becoming thinner in the middle
10. a land feature created when two continental plates collide
11. This fault is located in California as a strike-slip fault
17. the point on Earth's surface directly above the focus