Across
- 5. structure that can withstand hazard
- 7. the largest ocean in the world
- 10. a thin shell on the outside of Earth
- 12. areas around the Pacific Ocean where earthquakes and volcanic eruptions are common
- 13. the oceanic crust that collides with South American Plate
Down
- 1. sudden shaking of land
- 2. a scale that measure the amount of energy released
- 3. layer lies below the lithosphere, and the rocks are in plastic state
- 4. the unit that reflect the amount of energy released at the focus
- 6. when two plates collide, the denser plate sink below the lighter plate
- 8. Series of big waves caused by the vertical movement of seafloor
- 9. waves of energy released during the violent plate movements
- 11. The point on the surface which directly above the focus