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Earthqaukes
| Term | Definition |
|---|---|
| Earthqaukes | Vibrations in the earth caused by a sudden burst of energy from the crust |
| crust | The earth's outer layer |
| fault | A fracture in the earth's crust |
| mantle | The second layer of earth |
| lithosphere | a crust on the earth that rises and makes hills |
| lithosphere plates | Plates that can shift and cause a big diruption |
| siesmotologist | A scientist that studies earthqaukes |
| s wave | a straight wave during an earthquake |
| p wave | a snake wave |
| surface wave | An earthquake on the surface |
| Focus | the energy of a earthquake |
| epicenter | the main cause of an earthqauke |
| seismic waves | Aftershock of earthqauke |
| Magnitude | a version of measuring of how strong an earthquake is |
| Tsunami | A big wave caused by earthquake underwater |
| liquidification | when water mixes and turns into mud |
| aftershock | A small eartyqauke |
| Base isolators | Pads to separate foundation to the ground to reduce shaking |
| shear core walls | They transfer energy to the walls to reduce damage |
| cross bracing | It helps with skyscrapers stand up straight |
| Mass damper | A ball in the middle of a building to reduce damage from seismic waves. |
| flexible pipe | It bends during an earthquake thus reducing damage to flooding |
| tension ties | A device that holds the wall to the floor. |
| Stress | tension held by rocks on each other until they snap |
| Tension | A type fault for earthqaukes |
| compression | A type of fault letting out a burst of energy |
| strike-slip fualt | Faults moving verticly |
| Normal fault | A normal way of walls moving |
| reverse fault | faults moving horisontilly |
| anticline | the way earth quakes move up |
| synicline | The way earth quakes move down |
| plateau | A flat surface above sea level |
| hanging wall | One side of fault |
| foot wall | another side of fault |
| shearing | A wall of rock moving together |
| Crust | The outer layer of earth |
| pressure | the pushing of the surface |
| mantle | the second layer of earth |
| Mercalli scale | a scale used for studying the depth of earthqaukes |
| `Richter scale | A scale used for measuring the magnitude of an earthquake |
| inner core | the inside of earth known as core |
| outer core | the outside of the earths core |
| asthenosphere | A weak form of crust under lithosphere |
| continental crust | A crust that is found underneath land on earth |
| oceanic crust | Crust found underneath ocean on earth |
| Divergent boundary | A feature of two tectonic plates moving away from eachother |
| convergent boundary | Two plates colliding into each other going down |
| transform boundary | Plates that moves up that can cause hill to form |
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