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earthquake vocalulary
| Q | Answer |
|---|---|
| Ecipter | point on earths surface directly above an earthquakes focus |
| Fault | fracture that occurs when break and that results in realitive movement of opposing sides can form as a result of compression reverse fault being pulled apart or sheer |
| Focus | point deep inside the earth where energy is released causing an earthquake |
| Lava | molten rock flowing onto earths surface |
| Lithosphere | rigid layer of the earth abotu 100km thick made of crust and a part of the upper mantle |
| Magnitude | a measure of the energy raleased by an earthquake |
| Rifts | long cracks or tissue or though that forms between tectonic plates moving apart plate boundries |
| Sesmic Safe | describes the ability of structures to stand up against the vibrations caused by an earthquake |
| Surface Waves | are the slowest and largest of the sesmic waves and they cause most of the destruction |