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Chapter 3 VOCAB
Terms for chapters for chapters 3
| Term | Definition |
|---|---|
| Liquefaction | conversion of soil into a fluid like mass during an earthquake or other seismic event |
| Aftershock | a minor shock following the main shock of an earthquake |
| Tsunami | a great sea wave produced especially by submarine earth movement or volcanic eruption |
| Base- isolate building | |
| DROP - COVER - HOLD | DROP COVER HOLD |
| Focus | a point at which rays (as of light, heat, or sound) meet or from which they draw apart or appear to draw apart |
| epicenter | the part of the earth's surface directly above the focus of an earthquake |
| seismic waves | A vibration that travels though Earth carrying the energy released during an earthquake |
| p waves | A type of seismic wave that compresses and expands the ground. |
| s waves | A type seismic wave that moves the ground up and down or side to side |
| surface waves | an earthquake vibration propagated near the surface of the earth |
| seismograph | an apparatus to measure and record vibrations within the earth and of the ground |
| Mercalli scale | a scale of earthquake intensity ranging from I for an earthquake detected only by seismographs to XII for one causing total destruction of all buildings |
| Richer Scale | The Richter scale is used to rate the magnitude of an earthquake |
| Moment magnitude | A scale that rates earthquake by estimating the total energy released by an earthquake |
Created by:
burlingamedom13
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