Across
- 1. The part of the earths interior between the metallic core and the crust.
- 3. A sea wave of local or distant origin that results from large-scale seafloor displacements associated with large earthquakes, major submarine slides, or exploding volcanic islands.
- 4. The point within the earth where an earthquake rupture starts.
- 5. The description of rock composition and structure.
- 7. A linear depression of the sea floor caused by the subduction of one plate under another.
- 8. Plates within the earth that move relative to each other.
- 11. Any consequence of shaking that affects the stability of the ground.
- 13. The outermost major layer of the earth.
- 14. The innermost part of the earth.
- 16. The ___________ measures the magnitude of an earthquake.
- 17. A _____________ is a wave that moves through the interior of the earth.
- 19. What happens at the mid-oceanic ridge where a divergent boundary is causing two plates to move away from one another.
- 20. It is right below the lithosphere.
- 23. A seismic body wave that shakes the ground back and forth perpendicular to the direction the wave is moving.
- 24. An elastic wave generated by an impulse such as an earthquake or an explosion.
- 25. The zone of earthquakes surrounding the pacific ocean.
- 26. Anything that may affect the normal activities of a person in a bad way.
- 27. Something that describes the severity of an earthquake.
- 28. The outer solid part of the earth, including the crust and uppermost mantle.
- 29. A fracture along the earths surface where most earthquakes occur.
Down
- 1. _________________characterizes the relative size of an earthquake.
- 2. Earthquakes that follow the largest shock of an earthquake.
- 6. A chronological sequence of geologic events, usually represented in the form of a chart naming the different rock layers.
- 9. The study of the earth and the materials it is made out of.
- 10. The study of earthquakes and the structure of the earth, by both naturally and artificially generated seismic waves.
- 12. The sudden slip of a fault causing the ground to shake.
- 15. A __________ is a seismic body wave that shakes the ground back and forth in the same direction and the opposite direction as the direction the wave is moving.
- 18. An instrument used to detect and record earthquakes.
- 21. The ____________ is the point on the earth's surface vertically above the hypocenter.
- 22. How fast a point on the ground is shaking as a result of an earthquake.