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chapter 8 & 10 vocab
| Term | Definition |
|---|---|
| earthquake | a sudden and violent shaking of the ground, sometimes causing great destruction, as a result of movements within the earth's crust or volcanic action. |
| focus | point in earths interior where the earthquake occurred |
| seismic waves | waves of energy released by an earthquake. |
| epicenter | point on earths surface directly above the focus. |
| elastic rebound | sudden return of deformed rock back to undeformed shape. |
| body waves | seismic waves that move through the inside (body) of earth. |
| p waves | push-pull body waves. |
| s waves | side-to-side body waves. |
| surface waves | seismic waves that move on earths surface. |
| seismograph | all seismic waves are recorded on a seismograph. |
| seismogram | all seismic waves are recorded on a seismogram. |
| Richter Scale | numerical scale (1-?) based on height of largest seismic wave (magnitude) |
| Moment magnitude scale | only useful for small,shallow quakes. |
| modified mercalli scale | Roman numeral scale (l-xll) that measures the intensity (ground shaking) created by an earthquake. |
| liquefaction | |
| tsunami | |
| seismic gap | |
| crust | |
| mantle | |
| outer core | |
| inner core | |
| Moho | |
| ring of fire | |
| hot spot | |
| viscosity | |
| vent | |
| pyroclastic material | |
| volcano | |
| crater | |
| shield volcano | |
| cinder cone | |
| composite volcano | |
| caldera | |
| lahar | |
| pluton | |
| sill | |
| laccolith | |
| dike | |
| batholith |
Created by:
zach hupp
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